January 4, 1911.

Dear Sir

Your very kind letter of December 18th came during a recent
illness, otherwise it would have been acknowledged sooner.

I appreciate exceedingly your kindness in writing to me
regarding my proposed journey, and I am glad that you approve of
the plan. As I think I wrote you, I owe my idea of exploring
lake Perinacooches to an article by you entitled "Desiderata in
Exploration", which I carried with me on my last journey to
South America, and which I very much regret to say was lost in
the mails, together with several other books which I sent home
from Chile. Can you tell me how I can procure another copy?

I am planning to take a folding canvas boat with me on
my proposed journey, in order to be sure of being able to make
soundings on lake Perinacooches. I only wish I knew how much
sounding line to take. What do you think of its probable depth?
I see that Raimondi's map gives it neither inlet nor outlet.
It looks to me as though it might be one of those lakes that had
formerly been much larger.

Again thanking you for your letter, and assuring you of
my great appreciation of your interest, I remain,

Faithfully yours,

Sir Clements R. Markham,

Royal Geographical Society,

1 Savile Row, Burlington Gardens,

London, W

January 11, 1911.

Dear Coot:-

President Hadley has sanctioned my attempting to raise the
funds for a Yale expedition to Peru. Knowing your interest in
the progress of exploration at Yale, and remembering your willing-
ness to see me half way in adding books to the Yale Library, I am
writing to ask you to help make this expedition a success by
contributing one-third of its cost, or an amount equal to that which
I shall contribute myself. The plans are these: I expect to leave
New Haven the latter part of June and be gone for six months,
spending at least four months in Peru doing geographical, archaeological,
and anthropological exploration. Professor Gregory is thinking
very favorably of being one member of my party and will do the
geological and physiographical work. The President has sanctioned
his leave of absence for the fall term and is keen to have him go.
Of course we should have to pay him no salary, but simply meet his
expenses. The third member of the party is to be a topographer who
will make a map through a section of country that has never been
scientifically explored and only mapped in the rudest way some
fifty years ago. In order to have this topographical map made in
such way as to be a credit to the University and so that the work
would never have to be done over again. I plan to take a skilled
topographer. Besides paying his expenses we should also have to
pay him a small honorarium, say $50 or $75 per month. Skilled
topographers are in great demand and it would be almost impossible
to get a good one who could afford to work for nothing. With this
party of three it is my plan to explore a section of Peru, starting

from the Sea Coast some fifty miles North of Mollendo and going due
North across the Andes into the Amazon Valley as far as practicable.

The district which we propose to cover is an extremely interesting
one. The first part is a desert region. The second crosses Mount
Coropuna, which many people believe to be the highest mountain in
South America. An engineer on the Mollendo Railroad who took careful
observations of its summit on a clear day, from a good base line,
at a considerable distance, reports it to be over 23,000 feet high.
It will be our object to determine the altitude of Coropuna
instrumentally. It will probably not be practical to attempt to climb
the mountain as it has a magnificent ice cap, and the interests of
this expedition do not include mountain climbing. There are, however,
several villages around the mountain which offer an extremely interesti
field for the study of human geography. About forty miles Northwest of
the mountain is a large lake which has never been explored, and it is
my plan to take along a folding canoe which can be packed on one side
of a mule, so as to be able to make soundings in the lake and a rough
survey of its shores.

Mount Coropuna lies in an interesting region historically. Here
the great General Sucre campaigned in the weeks preceding the battle
of Ayacucho, the Yorktown of South America.

North of this again lies the rich sugar country of Abanacy, and
the celebrated ruins of Choquequirau which I visited on my last journey
My preliminary report of these ruins is now in the hands of the printe
and will appear in the next number of the American Anthropologist.

I am convinced that there are more Inca ruins to be discovered in that locality, and particularly on the North slopes of the glacier-clad peaks which separate Choquequirau from the Urubamba Valley. Dr. Farabao, who led the Harvard expedition into Peru three years ago, went down this valley and confirms my opinion that the region which I propose to enter is one of the most important unexplored archaeological fields in Peru.

The officials of the Royal Geographical Society, and Sir Clements Markham, who probably knows more about Peru than any living geographer, have assured me that the region which we propose to explore is in great need of scientific exploration. In fact they speak of it as one of the most interesting jobs that remains to be done. It seems most remarkable that this should be so for Mount Coropuna lies only 150 miles Northwest of the great city of Arequipa, but an unpleasant desert separates the two, and the whole region is out of the line of travel.

I figure that the expedition will cost about $5,000, including the salary of the topographer. If it is impossible for Professor Gregory to go, I shall get the next best Yale geologist whom he recommends. At present, however, it seems probable that he will be able to go himself.

I propose to meet one-third of the total expenses of the expedition. Will you join me with a like amount, on the understanding that if the total expenses are more than $5,000, I shall be personally responsible for the deficit? I know this is asking a good deal, and that it

will mean for you the loss of an opportunity to buy two good bonds
in some sound business enterprise. I feel sure however, that your
loyalty is as keen as mine, and so I look for a favorable reply.

Incidentally, all accounts will go through the hands of the
Yale treasurer. As it is to be a Yale expedition I propose to
make him responsible for seeing that the money which is contributed
for this object is properly expended.

Faithfully yours,

Huntington Smith, Jr., Esq.,
1634 Pierce Building,
St. Louis, Mo.

January 13, 1911.

Dear Mr. Bestor:-

I was very glad to get your letter and to know that you
are still keen to go to South America. I am now planning
a Yale Expedition to Peru, and I expect to leave here the
latter part of June, to be gone six months. I expect to
take along a skilled topographer and geologist. Have you
ever done any surveying? Have you ever run a pack team?
Can you throw a diamond hitch? Can you cook?

Since you have had no scientific training which would
enable you to qualify as a geologist or biologist or topographer,
the only capacity in which you could go would be as cook and
chief packer. If you could qualify in this capacity I might
possibly be able to pay your passage down and back and your
ordinary expenses, such as food and transportation. I cannot
promise, however, to do even this much, as I have not been
able as yet to raise the money for the expenses of the geologist
and topographer.

If you think you could qualify for the position mentioned,
and still care to go, I wish you would find out how much it
would cost you to get to Lima or to Arequipa-Mollendo.

H. Paul Bestor, Esq.,

Banneng, California.

TREASURY DEPARTMENT

WASHINGTON

IN REPLYING QUOTE INITIALS

Jan. 21, 1911

My dear Mr. Bingham:-

Since receipt of your letter of January 17th
I have been looking into the matter about which you
make inquiry, and I am prone to suggest that when the
articles referred to by you arrive you write a letter
to the Collector of Customs at New York stating that
they are intended solely for scientific investigation
and research. If the Collector of Customs is satisfied
as to the purpose for which the instruments are intended
he will furnish an affidavit to be filled out in accord-
ance with the facts set forth and arrangements will be
made to admit the articles free of duty as per paragraph
650 of the Tariff Act of August 5, 1909, which reads as
follows:

"Philosophical and scientific apparatus,
utensils, instruments, and preparations, including
bottles and boxes containing the same, specially
imported in good faith for the use and by order of
any society or institution incorporated or established
solely for religious, philosophical, educational,
scientific, or literary purposes, or for the encouragement
of the fine arts, or for the use and by order of any
college, academy, school, or seminary of learning in
the United States, or any state or public library,
and not for sale, subject to such regulations as the
Secretary of the Treasury shall prescribe."

The Customs Division in the Treasury at
Washington also advise that upon the return of the

expedition there should be no difficulty in making
arrangements to permit the passage of cases unopened
at the Custom House in New York provided a letter setting
forth the facts is addressed to the Collector of Customs
at the time. However, in event the Collector should
refuse to permit passage of the cases unopened, it
would be well to take the matter up with the Secretary
of the Treasury, Washington.

I hope that this is all in line with your
requirements.

I am interested to learn of your proposed trip
to Peru for investigation, and I wish you every possible
success.

Prof. Hiram Bingham,
Yale University,
New Haven, Conn.

February 22, 1911.

My dear Whitney:-

I am organizing a Yale Expedition to Peru, for the purpose of exploring a part of central Peru that is practically unknown to science. It is my plan to make a map of a district about 300 miles long and 25 miles wide that has never been scientifically explored; to report on its geology, physiography and topography; to make a survey of its economic resources, and particularly to explore any remains of Inca cities and fortresses that may exist in this section. I made a partial survey of one such Inca stronghold when passing across the northern end of the proposed section two years ago. The report of what I did then is now in the hands of the printers and will appear in the next number of the American Anthropologist.

I shall make a donation to the Yale treasurer sufficient to cover all of my own expenses. Ed Harkness, '97, has offered to give a like amount in order to pay the expenses of a Yale Professor of Geology who will go as geologist with the expedition. Herbert Scheftel of our class has already deposited in the Yale treasury $1800 to pay for a topographer. I am anxious to raise $1800 more to pay for the expenses of a doctor who will not only act as surgeon to the expedition, but will prepare a report on the pathology of the region, and will also make some natural history collections for the Museum here. Do you feel disposed to make it possible for us to do this?

2.

I feel sure that the results will justify the
expenditure. All moneys will pass through the hands
of Geo. Day, the Treasurer of the University, who will
see to it that they are properly expended.

If you care to know anything more about the
proposed expedition I shall be glad to write you more
fully regarding it, or to call on you in New York with
the plans and specifications. Ed Sawyer knows something
about our plans if you care to ask him.

Sincerely yours,

Payne Whitney, Esq.

51 Wall Street, New York.

February 6, 1911.

My dear Sir:-

I am extremely obliged to you for your kindness in
taking the trouble to write me with reference to my
proposed exploration. By this mail I have received a
copy of "Desiderata in Exploration", sent by the Secretary
of the Royal Geographical Society at your request.
Unfortunately it is not the one which you compiled, and
contains no reference to Parinacochas. Please don't take
any further trouble in the matter, however. I fear that
it is most probable that your paper is out of print.

What you say with reference to the possible salty
character of the water of lake Parinacochas coincides
with the only information I have been able to get regarding
it. In Millers memoirs there is a map of the region and the
legend near the lake speaks of the water as being brackish.

I am glad you approve of the idea of taking a folding
boat. It is my plan to take also a sounding line of about
a hundred fathoms length, a small theodolite and two or
three good watches.

I have ordered your book on the Inca's for the Yale
Library, but I regret to say that it has not yet arrived.
You may be sure that as soon as it comes I shall read it
with great interest. Your "Cuzco and Lima", and your
"Travels in Peru and India" have long been on my shelves.
Parts of them I have read many times, and with the greatest
interest. I also have four other books by you on Peru,

besides your articles in *Winds* America, and in the
*Geographical Journal*.

The account of my visit to the Ruins of Choquequirau
will be printed in the next number of the American Anthro-
pologist, a copy of which I shall send you as soon as it
appears.

Assuring you of my keen appreciation of the interest
which you have shown in the proposed expedition, and trusting
that if any further suggestions occur to you you will be so
good as to send them to me, I beg to remain,

Faithfully yours,

Sir Clements R. Markham,

Grand Hotel d'Italie,
Mont Estoril,
Lisbon, Portugal.

DEERING, MILLIKEN & CO.

79-81 LEONARD ST.

NEW YORK

Feb. 7, 1911

Dear Hi:

Your very interesting letter of the 3rd received yesterday, and I should like very much to take the trip with you, and if I could do so, I should be very glad to pay a very large proportion of the expenses, but this would be from a selfish standpoint, because of my desire to take the trip, not because I believe the money could not be spent better in some other direction.

In view of the fact that I cannot take the trip, I do not feel like spending the money in the way suggested.

With kind regards, and hoping to see you before long, I am

To Mr. Hiram Bingham,
Yale University,
New Haven, Conn.

401 Fifth Avenue, New York City.

February 10th, 1911.

Dear Prof. Bingham:

I have spoken both to Lincoln Ellsworth and to his father of the possibility of his going on a trip with you to South America.

I am quite anxious to know your plans within a few days as his father sails for Europe the coming week, next Thursday, and will be gone over a year.

1. When do you think starting?

2. How long do you expect to be absent?

3. How many are there in the party?

4. What would the amount of Ellsworth's expense be, he paying all of his legitimate expenses?

I have every reason to believe that Ellsworth would be a good worker. He is interested in engineering and had charge of a number of men on the Canadian Pacific R. R. and I believe would be an interesting factor in the party. He is gently, interested in artistic matters and in archaeology, and anxious to do some good work.

With best wishes, believe me,

HHW

401 Fifth Ave., New York.

February 14, 1911.

Dear Prof. Bingham:

Many thanks for your esteemed favor of the 12th instant, which I am sending at once to Mr. Ellsworth. I will advise you further as soon as I hear from him. His son, Lincoln, has already started on a six weeks' trip for Yucatan which will give him some additional experience and possibly some knowledge of Spanish.

I think your suggestion about making the donation to Yale an admirable one, provided you find Ellsworth all right, which I believe you will.

Believe me,

February 23, 1911.

Dear Doctor Kunz:-

When you can spare the time to dictate a letter, will
you tell me the facts with regard to young Ellsworth? I
remember your telling me all about him at the Encyclopedia
dinner, but I regret to say I have forgotten many of the
details.

I should like to know whether he is a College graduate,
how old he is, whether his mother is living, what he has done
since graduating from College, or what he did instead of going
to College, and how he happened to get a job on the Canadian
Pacific.

I thank you for sending me his father's letter, and I am
glad to see that he approves of my plan. I think there is no
doubt but what I should like to get young Ellsworth to go along,
but of course I want to see him first, and I presume he will
not want to decide to go until he has seen what the Director
looks like.

What business is his father in, or has he retired from
business? I judge the latter from the fact of his going to
Florence for a long stay.

With kindest regards, and many thanks for your interest,
believe me to remain,

Faithfully yours,

Mr. George F. Kunz,

401 Fifth Avenue,

New York City.

401 Fifth Ave., New York.

February 24, 1911.

Dear Prof. Bingham:

Simply a word to acknowledge your esteemed favor of the
23d instant.

Lincoln Ellsworth and every member of his family are
absent. He is in Yucatan and they are in Italy and will remain there
for a year. I know him as the son of his father, and have met
him often, and am much interested in his father's doings. His
father spent some thirty years in bringing about the development
of a great coal property which he sold to the United States Steel
Co. or to some other corporation, about two years ago, and perman-
ently retired from business.

Young Lincoln, I know, had a good education but do not
know whether he went to college or not. I know he had some engin-
eering training and to give him additional instruction he was for
several years in charge of a large construction team on the Canadian
Pacific Railroad. The moment he returns I will see that you meet
him. He is a fine young fellow; polite, courteous, willing, and
good-looking. He rather looks up to me as he would to a father, and
I am sure he will take my advice in every way. His father has

February 25, 1911.

Dear Doctor Kunz:-

Thank you very much for taking the trouble to answer
my inquiry about Lincoln Ellsworth. I am looking forward
to meeting him. From all that you say of him I am sure he
will be an addition to the party.

When you see him please don't make the job any more
attractive than it really is. He will have to run errands,
hold the other end of a chain, do all kinds of work, sometimes
very uninteresting and unpleasant, and obey without question
any orders that may be given him. I took a Yale student with
me once who did not at all relish having to take orders continually.
He felt that as he was paying his own expenses he ought to have
a fairly good time, and he didn't like to be bossed.

I am sure you will see the necessity of having Young Ellsworth
feel that the money which is father contributes is contributed to
the expedition, and that he is employed, if at all, because he
is able to qualify as a useful assistant. And the assistant
on any scientific expedition is naturally the lowest in rank and
has to do the errands and the chores. Whether a man who has been
in charge of a large construction team on the Canadian Pacific
Railroad will care for such a job, depends entirely on his own
likes and dislikes.

Please excuse me for writing so much on the subject, but
misunderstandings are so much easier to arrange before they occur
that I hope you will warn him of the nature of the job and make
it so and as bad as possible before hand. I had much rather

401 Fifth Ave., New York.
February 27, 1911.

Dear Prof. Bingham:

In response to your courteous favor of the 25th
instant, I understand exactly what you mean. The fact is, young
Ellsworth need not know his father has contributed to the trip
at all if he proves acceptable, and he most decidedly should
not go unless with the distinct understanding that he is to do
absolutely as you say. I know I will want to do this,

Believe me,

February 28, 1911.

Dear Sirs:-

I am planning to conduct a Yale Scientific Expedition
to Peru, which will leave here in June and be gone for six
months. The leaders of this expedition will receive no
salary for their work, although friends of the University
have offered to pay the necessary expenses of the undertaking.

I am writing to know whether you would be willing
to furnish us with half-chronometer watches for use on the
expedition. We want to make our money go just as far as
we can, and knowing your interest in these matters in the
past I take the liberty of hoping that you will feel like
helping this expedition to be a success. In no part of the
region which we propose to explore has there been any pretention
at astronomical observation for latitude and longitude.

awaiting your reply with interest, I beg to remain,

Sincerely yours,

Director of the Yale Scientific Expedition
to Peru.

The Waltham Watch Company,
Waltham, Mass.

February 28, 1911.

Dear Doctor Wolcott:-

I have succeeded in raising the money to pay the
expenses of the Yale Scientific Expedition to Peru.

We expect to leave in June and be gone for six months.
We hope to do reconnaissance work in the fields of archaeology,
geology and topography. There will be at least three men in
the expedition, including besides myself, a geologist and a
topographer. I hope also to get the money for a student
assistant and possibly for a surgeon.

Would it be possible for the Smithsonian Institute to
help us in any way by the loan of outfit or instruments?
We want to make our money go as far as we possibly can, and
we shall try to do something towards solving the following
problems: the exact location and depth of lake Parinacochas,
the location and extent of the ruins of Choquequirau, the
evidence of other buried Inca cities in the valley of the Urubamba,
where it is supposed the last Inca made his home.

Professor Gregory, who is now in Washington at the
Geological Survey, can tell you something of our plans, although
it will not be possible for him to go owing to the necessities
of his work in the Navajo country.

With kindest regards, believe me to remain,

February 28, 1911.

Dear Sirs:-

I am planning to conduct a Yale Scientific Expedition to Peru, which shall leave here in June and be gone for six months. The leaders of this expedition will receive no salary for their work, although friends of the University have offered to pay the necessary expenses of the undertaking. I am writing to know whether you would be willing to furnish such outfit as is necessary at a special reduced price. We want to make our money go just as far as we can. I hope that you will feel like helping the cause of science to the full extent of your power. We expect to do archaeological, geological and topographical work in a section of Peru that has not been scientifically explored at all.

awaiting your reply with interest, I remain,

Messrs. Abercrombie & Fitch, Outfitters,

New York City.

ESTABLISHED 1892.
EZRA H. FITCH,
PRESIDENT.

LARGEST MANUFACTURERS
OF FINE HAND FINISHED WATERPROOF
TENTS
IN THE WORLD.

ABERCROMBIE & FITCH CO.,
MAKERS OF
COMPLETE OUTFITS FOR EXPLORERS
CAMPERS, PROSPECTORS AND FISHERMEN.
FACTORY & SALESROOM

57 READE ST., ONE DOOR FROM BROADWAY.

NEW YORK, U.S.A. March 3rd 1911

Hiram Bingham Esq.,

Yale University

New Haven Conn.

Dear Sir:-

Agreeable with your request of the
2nd inst we are mailing to you under separate cover
our complete catalogue and supplement, latest issue.
A new fishing tackle catalogue will be issued about
March 15th, and new gun catalogue will be ready about
May 1st. Tents, camping equipments, clothing and shoes
will be practically the same as in present catalogue,
with exception of a few minor changes.

We cannot at this time advise what
discount we will make you on the equipment until we
know just what goods you will require and the quantity
you will purchase. As a general rule our regular trade
discounts average from 10 to 20% according to the
articles. When you have submitted your list of
requirements, we will gladly go over same and offer
special price.

W.R.GRACE & Co.

NEW YORK

SAN FRANCISCO VALPARAISO
LIMA SANTIAGO
CALLAO CONCEPCION
AREQUIPA VALDIVIA

LA PAZ

GRACE BROTHERS & CO., LTD.
LONDON.

CABLE ADDRESS "GRACE"
HANOVER SQUARE
P.O. BOX 286

NEW YORK

March 2nd, 1911.

Prof. Hiram Bingham,

Yale University,

New Haven, Ct.

My dear Prof. Bingham:--

This morning I received a copy of your
pamphlet on Potosi, for which I thank you. I will read it
over this evening.

I am glad your boys feel the visit to
our office did them some good.

I am sending you by express six more
copies of the Exporters' Encylopædia which you said you would
like to have for distribution among your pupils.

I enclose herewith the original letter
which the Publisher of the book wrote me, and if you can see
your way clear to write him a little testimonial, I am sure he
would appreciate it.

With reference to your trip, I hope it
will be a success, and I would like to feel that in a small way
I am helping you toward that end. You can, therefore, put me
down as subscribing for Two hundred and fifty dollars toward
the expenses, and if you will send me a memorandum about the
1st of May, I will send a check. You might also let me know a

(2)

W.R. GRACE & CO.
NEW YORK.

few weeks before you go, so that I can give you proper letters of
introduction to the various points you will visit. I will try
and have our people there co-operate with you as much as possible,
so as to save you as much expense and time as they can.

March 2, 1911.

Dear Sirs:-

I am very glad that you can see your way clear
to making a special price on the equipment for the
Yale Scientific Expedition to Peru. If you will
send me your most recent catalogue I will go over it,
marking the things that we shall probably require,
and about which I can talk to you when we meet.
I should appreciate it if it would be possible for you
to indicate the amount of discount which you could allow
us on the prices marked in the catalogue.

Sincerely yours,

Messrs. Abercrombie & Fitch,

57 Reade Street,

New York.

E. C. Fitch, President.

Waltham Watch Company.

Waltham, Mass.

March 6th, 1911.

Hiram Bingham, Esq.,

Latin American History,
Yale University,

New Haven, Conn.

Dear Sir:-

Replying to your favor of the ult. we beg to say
that we have equipped a great many scientific expeditions with
pocket watches suited to their requirements, and the results
have proved their superiority over box chronometers, in porta-
bility and time-keeping excellence in expedition work.

We make two watches for Standards; the astronomical
and sidereal. The former is rated to show the astronomical
day of 24 hours, in place of the usual 12 hour division, and
the latter (sidereal) is rated to sidereal time, and is very
valuable for longitude work.

We forward, under separate cover, a blue print of the
sidereal watch, that you may note the design or arrangement of
the dial divisions.

These special watches are cased in strong, dust-proof,
nickel, Open Face cases, and of a size known as 18.

In addition to the above standards named, the expedition

Waltham Watch Company

might, to good advantage, be provided with a limited number
of watches for pocket use by the leaders of the expedition.

We are happy to state that it is the policy of this
Company to do all within a reasonable limit to assist scienti-
fic work, especially of the nature of your proposed expedition,
and to that end will be pleased to loan your expedition, and
its leaders, the necessary watches for its equipment, with the
understanding that you will furnish us with the results of their
performance for the period of the expedition, for publication,
a matter that we feel you will freely grant.

Provided you think favorably of this offer, we will
take up the subject with you more in detail.

March 7, 1911.

Dear Sirs:-

Replying to your favor of March 6th, I am
very much pleased that you are willing to assist
the Yale Scientific Expedition to Peru by loaning
us the necessary watches for our equipment, on the
understanding that we shall furnish you with the
results of their performance for the period of
the expedition for publication.

March 7, 1911.

Dear Sir:-

Your letter of March 5th has just been received by
Professor Bingham, and he wishes me to say in reply that
he would be glad to have you write him in what capacity
you would be willing to go with the Expedition to Peru,
and also what your training has been.

V. H. Benton, Bsc.,
Beta Theta Pi House,
Oxford, Ohio.

COLSTON, BOYCE & CO.
BANKERS AND BROKERS

FREDERICK M. COLSTON.
GEORGE A. COLSTON.
HEYWARD E. BOYCE.

3 N. CALVERT ST.
BALTIMORE

MEMBERS
BALTIMORE STOCK EXCHANGE.
INVESTMENT SECURITIES.

BALTIMORE, MD. March 7th, 1911.

Prof. Hiram Bingham,
Yale Station,
New Haven, Conn.

My dear Hi:-

I am writing to you on behalf of a very good friend of mine who is anxious to find out something of your plans for your proposed South American trip.

My friend is John P. Poe, of Baltimore, and he is anxious, if suitable arrangements can be made, to become a member of your expedition. John is one of the rather celebrated Princeton family and was himself, I believe, in the class of 1896. He is not at all a bookworm and did not finish his college course. Since leaving Princeton he has lead rather an adventurous and roaming life and has acquired, of course, a very considerable experience in outdoor matters.

He has been in the West on several ranches, served in the regular army in the Philippines, was at Tonopah and Goldfield, Nev. for several years, has been on several expeditions through Central America, and last Summer was with the International Boundary Commission in Alaska.

He has no scientific knowledge and could not be useful to you in that way, but from his experience in the field and in handling men and supplies, might be quite a valuable acquisition to you should you have need for such a man.

He has seen the mention of your proposed trip in the Alumni Weekly and has asked me to write to you about him.

Would it be too much trouble for you to drop me a line telling me something of your plans; -when and where you expect to go, and whether you would have an opening for Poe?

I was sorry I could not get on to the dinner in New York, but heard that you all had a very good time. With kind regards, I am,

Copy

Harvard College Observatory

Cambridge, Mass.

March 8, 1911

President A. Lawrence Lowell,

Harvard University,

Cambridge.

Dear Mr. Lowell:-

Your letter of March 7 is received with that of
Mr. Bingham which I return enclosed. Ever since the establishment
of the Arequipa Station it has been our policy to render any aid
we could to other scientific expeditions in Peru. It seems to me
that we should give any assistance we can to the expedition of
Mr. Bingham, and I will write to Mr. Hinkley now in charge of
the Arequipa Station to that effect.

E. C. Fitch, President.

Royal Robbins, Treasurer.

Waltham Watch Company.

Waltham, Mass.

March 3, 1911.

Hiram Bingham, Esq.,

Latin American History,

Yale University,

New Haven, Conn.,

Dear Sir:-

Your favor of the 7th inst. accepting our offer to
loan the Yale scientific Expedition to Peru the necessary
watches for time equipment, at hand, and in reply beg to say
we note your party will consist of four principals and if we
understand you correctly each principal will have to be pro-
vided with two watches, one each Sidereal and Astronomical
if they are to carry out similar series of observations at
different Geographical locations, or a total of eight watches.

If we are correct in this estimate will you kindly
let us know at an early date as the writer wishes to make the
selection and timing of these a personal matter. As soon as
we hear from you we will start the watches on a very exacting
series of time tests to continue up to say two weeks of the
date of your sailing, when the watches will await your delivery
orders. We appreciate the kind words you write on the sub-
ject of your father's experience with Waltham watches together
with the indorsement of Sir Ernest Shackelton, Prof. Todd (Andes)
and the Surveyor General of Canada, Maj. Derville who has over

Champaign Daily Gazette
(INCORPORATED)

ADVERTISING PLACED IN THE GAZETTE BRINGS REAL LIVE RESULTS
TRY IT AND JUDGE FOR YOURSELF

CHAMPAIGN, ILL. March 9th. 1911.

Dr. Hiram Bingham,

Yale University.

Dear Sir,

I have been informed that there is to be an expedition which will sail for Peru during the coming summer for exploration work among the Inca ruins, the expedition to be in charge of yourself.

The object of this letter is to ascertain if I may join this party
in the capacity of correspondent and staff photographer for a magazine
which I will represent.

At your convenience, will you please let me hear from you concerning
this matter, and also, if possible, I will greatly appreciate an estimate
of what the cost of the entire trip might be.

March 9, 1911.

My dear Sir:-

I have just been looking over your new book on
the Incas with a great deal of interest. I notice that
you say that the ruins of Choquequirau have been
described by Castelnau. Would it be asking too much
if I request the reference? A Peruvian writer in a
Lima paper also refers to Castelnau and I have looked
in vain for the place. I should greatly appreciated
it if you could tell me which volume and which edition
it is in. I am trying to collect all the printed
references to that interesting spot.

I regret to say that there is some delay about
the publication of that number of the American Anthro-
pologist which contains my article, but as soon as it
comes out I shall take the liberty of sending it to you.

I hope to go to Choquequirau again this fall. You
will be interested to know that the arrangements for my
expedition are nearing completion. We have raised all
the necessary funds and are assured of government aid.
Our three points of attack are to be Mount Coropuna,
Lake Parinacochas and the Choquequirau-Filcabamba region.

March 9, 1911.

Dear George:-

What you say about your friend Mr. Poe interests me
very much. The only trouble is that we only have money
enough to pay the expenses of the scientific members of
the party. We expect to get our assistants from fellows
who can afford to pay their own expenses, about $1800, and
who will take their wages in experience. Mr. Poe, however,
seems to have had a great deal of experience and I fear
would not want to go unless his expenses were paid.
If, however, he still thinks favorably of it, and could
either himself or through a friend deposit in the Yale
Treasury $1800, I should be very glad to take him on as
an assistant and pay all his expenses during the six months
of the expedition, provided of course he wanted to sign our
ordinary papers.

Yours sincerely,

George A. Colston, Esq.,

3 N. Calvert Street,

Baltimore, Md.

PRESIDENT AND FELLOWS OF HARVARD COLLEGE

50 STATE STREET, BOSTON
5 UNIVERSITY HALL, CAMBRIDGE

March 9, 1911

Dear Mr. Bingham:

Of course we are always glad to do everything
we can at Arequipa or anywhere else to help scientific expeditions. I sent your letter to Professor Pickering, who wrote me an answer of which I enclose a copy.

Hiram Bingham, Esq.
New Haven, Conn.

March 10, 1911.

Dear Mr. Lowell:-

Please accept my sincere thanks for your kind note
and for taking the trouble to send my letter to Professor
Pickering. I appreciate greatly your willingness to
cooperate with us in this matter and to authorize the
authorities in charge at Arequipa station to assist us.

Believe me to remain,

March 10, 1911.

My dear McClung:-

I have just written to President Taft, telling him something about the proposed Yale Expedition to Peru, and asking him to request the proper authorities to assign to this expedition a skilled topographer, all of whose expenses we would pay, and to whom we could give a small honorarium, say $250. If you approve of my request would you be willing to write a note to the President about it?

I enclose a copy of my letter to him which tells about the expedition.

Faithfully yours,

Hon. Lee McClung,

Treasurer, United States,

Washington, D. C.

ADVISORY COMMITTEE:

GEORGE PARMLY DAY
THOMAS LEE MCCLUNG
EUGENE L. RICHARDS
WALTER CAMP
JOHN EDWARD HEATON
LAFAYETTE B. MENDEL
WILLIAM G. ANDERSON

YALE UNIVERSITY GYMNASIUM

WILLIAM GILBERT ANDERSON, M.Sc., M.D.
PROFESSOR AND DIRECTOR

New Haven, Conn.,

3/10/1911

Dear Dr. Bingham,-

I am much interested in your expedition
to Peru. When will your party start, and would there be
a place for me on the list?

I am a doctor of medicine, am familiar with health
problems, and have done quite a little work in the tumuli
of the Middle West. Have made a study of the animal mounds
in Wisconsin and have carried on excavations in the mounds
along some parts of the Mississippi.

I should be willing to pay something towards the trip,
but question my ability to go as high as $1800.

Dr. Hiram Bingham,

787 Prospect Street,

City.

March 10, 1911.

Dear Mr. Teft:-

You will remember that in the few moments' conversation which I had with you at the Pan American Union, on the occasion of the opening session of the Pan American Commercial Conference, I had the honor to report that we had just succeeded in raising the money to pay for a Yale Scientific Expedition to Peru.

We expect to leave New York on the 10th of June, and be gone six months. We have three problems which we shall try to settle:

First, the exact location, structure and topography of Mount Coropuna, a Peruvian mountain which Professor Adolph Bandelier thinks is the highest mountain in South America. Even if it is not as high as he believes, it is in a very interesting locality that is almost wholly unknown to science.

Second, the exact location, depth, outlet and source of Lake Parinacochas, an unexplored lake which Sir Clements Markham, former President of the Royal Geographical Society, reports as being well worthy of scientific exploration.

Third, the location and extent of the ruins and other remains of various Inca cities hidden in the jungles of the valleys North of Cuzco. One of these, Choquequirau, I visited last year. An account of my work there is to be published in the next number of the American Anthropologist, with maps, plans and photographs.

President Leguia of Peru is greatly interested in these
ruins, and has offered to give our Expedition the full
support of his Government.

I am now writing to ask whether you would be willing
to further the purposes of this Expedition by requesting
the proper authorities, either in the Geological Survey,
the Coast and Geodetic Survey, or in the Army, to assign
for service on this expedition a skilled topographer.
We should be able to pay all of his expenses and give him
a small honorarium, say $250. You will readily see that
with the limited resources at our disposal we cannot afford
to go into the open market and hire a skilled topographer
and pay him the wages that he deserves. I sincerely trust
that you will feel that the purposes and objects of the
Yale Scientific Expedition to Peru are worthy of Government
assistance of this character.

I shall be very glad to give you any further particulars
regarding the purposes of the Expedition and our plans that
you may desire to have.

I have the honor to remain,

Very Respectfully Yours,

His Excellency,

Wm. H. Taft,

President, United States,

Washington, D. C.

March 13, 1911.

Dear Sir:-

I regret that owing to the nature of the Yale Scientific
Expedition to Peru, it will not be possible for us to take
anyone in the capacity of correspondent and staff photographer
for a magazine.

JOHN EDWARD HEATON

363 ST. RONAN STREET
NEW HAVEN, CONN.

March 13th, 1911

Dear friend Bingham; -

I have been thinking over the matter you brought
to my attention over the telephone yesterday, and I really do not see
how the party in question ~~and~~ can take into serious consideration the
PERU expedition, as he has already agreed with Pres't. Hadley about the
Hygienic course at Harvard which begins in October, so a December
return would be entirely out of the question. His taking the Harvard
course was only agreed to after some considerable discussion by the
Gymnasium advisory committee - individually, and it would seem to me foolish
for him to give up something that he seemed so desirous to obtain permis-
sion to do. Perhaps he does not understand the December return.

After considering the above - perhaps it is not necessary to
bring up the subject of his fitness or otherwise - but if you think differently
why I am yours to command.

March 13, 1911.

Dear Sir:-

I am sorry to hear that you have had no scientific
experience and I regret to report that there are already
a number of men willing to go in the capacity which you can
fill, who are able to pay their own expenses.

Sincerely yours,

Mr. Benton.

March 13, 1911.

Dear Mr. Anderson:-

Your letter has interested me very much indeed.
We expect to start on the 10th of June and be gone for
six months, reaching New York on our return journey on
December 18th. We expect to spend five months on the
field in Peru, doing geographical, archaeological, and
anthropological exploration. The district which we
expect to cover is an extremely interesting one, including
several very high mountains, one of which may be the
highest in South America, an unexplored lake and several
collections of Inca ruins.

If you still feel interested and would like to go I
should be glad to talk with you about our plans. First,
however, I should like to inquire how much you would be
willing to pay toward the trip. As soon as I hear from you
I will see whether I could raise the balance, if it is not
too large.

Faithfully yours,

Wm. G. Anderson, M. D.,

Yale Station.

IN REPLYING QUOTE INITIALS

TREASURY DEPARTMENT

WASHINGTON

March 13, 1911

My dear Bingham:-

I have read with interest yours of March
10th, with enclosures, with regard to the proposed Yale
expedition to Peru. Your trip seems to promise well
and I certainly wish you every success on it.

Indeed I do approve of your request to
the President, and I shall hope to either write him a
letter about it or make a personal call at the White
House.

I was sorry that you were taken ill with a
cold when you were last in Washington. I am sure you
would have let me know if I could have been of any
assistance to you. I of course sent around to the
hospital to inquire about you just as soon as I learned
of your illness. I was sorry not to see you again but
I know you wanted to get back home as soon as possible.

With very kind regards, I am,

March 13, 1911.

Dear McClung:-

Thank you very much for your kind letter. I am very glad that you approve of my request to the President, and naturally I am extremely pleased that you favor my idea sufficiently to want to go and see him about it. A personal call always accomplishes more than a letter, as you well know.

I appreciated your kindness in sending to the hospital to inquire about me, and I felt sure that in case of necessity I could call upon you. As it was there was nothing to do but lie still and get well and get home as soon as possible.

Faithfully yours,

Hon. Lee McClung,

Treasurer of the United States,

Washington, D. C.

1, Savile Row,
Burlington Gardens,
London, W.

March 14th, 1911.

Prof. Hiram Bingham,
Yale University,
New Haven, Conn.,
United States.

Dear Prof. Bingham,

Your letter of February 24th. has been under
consideration by the Council. They are very pleased to
know that you are undertaking an exploring expedition to
Peru under the auspices of Yale University. They would
have been glad to let you have the loan of the instru-
ments you ask for, had they been in stock. Unfortunately,
we have not any to spare and there are no funds available
for the present, for the purchase of fresh instruments.

But since the expedition is sent out under the
auspices of the Yale University, as I understand it is,
would it not be possible for that University to let you
have the instruments you require ? I understand the

March 14, 1911.

Dear Doctor Kunz:-

I am very glad indeed to see the letter from Mr. Ellsworth, and I am much interested to know that he desires to join the expedition if he can be of real scientific use. I think there is no doubt that he could qualify as assistant topographer, though I doubt whether he has had sufficient experience to do the more difficult work. This of course I couldn't tell without talking with him. Anyhow we shall have abundant work for both, even if I should take two topographers, and I am exceedingly glad that he is able to do topography. However, as he himself says, we can't decide anything definite until he returns and we have a chance to talk things over together. I shall be very glad to see him as soon as he comes back, and I hope you will ask him to come up to New Haven as my guest.

I have just heard from a friend of mine who has met him in Yucatan, and who writes most enthusiastically about him.

Faithfully yours,

Dr. G. F. Kunz,

Tiffany & Company,

New York.

March 14, 1911.

My dear Heaton:-

Thank you so much for taking the trouble to write
me so fully. I can see perfectly from what you say
that it is not necessary to consider the subject any
further. I have just heard indirectly that Dr. Anderson
did not expect to be gone more than three months, but
hoped that he could make himself sufficiently useful
during the summer to make it worth while to take him.
Unfortunately two of those three months would have to be
spent going and coming, so I am afraid he is out of the
question.

Faithfully yours,

John Edward Heaton, Esq.,

363 St. Ronan Street,

New Haven, Conn.

March 15, 1911.

Dear Dr. Farabee:-

Thank you for your kind letter. I am glad to know
about the map and about the possibility of getting a record
of the known positions from the Geographical Society of
Lima.

I wish most sincerely that it were possible for you
to go with us.

Faithfully yours,

Dr. W. C. Farabee,

Peabody Museum of Harvard University,

Cambridge, Mass.

YALE UNIVERSITY GYMNASIUM

ADVISORY COMMITTEE:
GEORGE PARMLY DAY
THOMAS LEE MCCLUNG
EUGENE L. RICHARDSON
WALTER CAMP
JOHN EDWARD HEATON
LAFAYETTE B. MENDELEO
WILLIAM G. ANDERSON

3/15/1911
New Haven, Conn., 19

Dear Dr. Bingham,-

Your expedition is very attractive, but I
cannot give so much time, as I enter Harvard in October to do
some P.G. work in the medical department.

If you want to take one of my oxygen generators I shall
be glad to loan it to you. It is very small and quite service-
able.

I am almost sorry I decided to go to Cambridge, but the
plans are made.

Dr. Hiram Bingham,
Yale Station.

March 15, 1911.

Dear Sir:-

I thank you for the interest you have taken
in the Yale Expedition to Peru. I regret that we
shall not be able to pay our assistants, and it
will not be possible for anyone to work his way
through.

Sincerely yours,

Thomas A. Ware, Esq.,
18 East Second Street,
Chillicothe, Ohio.

March 16, 1911.

My dear Miller:-

I am very glad to hear from you, and I remember you
very well. I am interested to note that you have heard so
soon about our plans for a Yale Expedition to Peru, and
I appreciate your desire to aid in the work.

Unfortunately we have very little money and cannot
afford to pay any salaries. Some of the men who are
going on the expedition will pay all their own expenses,
and only in the case of the expert scientists will any
assistance be given in regard to expenses.

I am sure that you would make an efficient member
of the party and I only regret that we cannot afford to
secure your services.

Sincerely yours,

J. W. Miller, Esq.,
C. R. Smith,

Apartado 95 Bis,
Mexico City, Mexico.

March 16, 1911.

My dear Whitney:-

Although I have not had the pleasure of a reply
from you to my letter of February 22d, I am taking
the liberty of sending you a copy of the plans of
the Yale expedition to Peru, which have just been
worked out. They will tell you more about what we
propose to do than I was able to at the time of
writing.

Possibly you would be more interested in
enabling us to take a naturalist than in following
out my former suggestion.

Sincerely yours,

Payne Whitney, Esq.,
51 Wall Street, New York.

March 16, 1911.

Dear Sir:-

I am planning to conduct a Yale Expedition to Peru during
the coming summer and fall. We shall leave in June and be gone
until December. We are to do geographical, archaeological,
geological and meteorological exploration.

It occurs to me that there may be one or two men in College
who would like to go as assistants and who would be able to
pay their own expenses. If there are any such I should be very
glad to talk the matter over with them. I think it would be
unadvisable for anyone to attempt to go as an assistant who
had never done any "roughing it", and who is not in good physical
condition. The work will be interesting, but hard, and the
experience gained will undoubtedly be worth the expenditure of
time, labor and money involved. The cost of the expedition
will be $1800 per man.

Sincerely yours,

The Editor of the Yale Daily News,

Yale Station.

March 16, 1911.

Dear Doctor Keltie:-

As the plans for the Yale Expedition to Peru are now practically completed, I thought you might be interested in seeing a statement regarding them, which I have prepared for publication.

March 16, 1911.

My dear Mr. Giesecke:-

Thank you for your kind letter of December 26. I am
sorry that the Choquequirqu article has not yet been published.
The proof was corrected sometime ago and I expect to receive
my copies of the American Anthropologist anyday.

I enclose the copy of our plans for the proposed Yale
Expedition to Peru, which I am sure will interest you.
Will you kindly show it to my good friend, Prefect Nuñez?
Please tell him I count on his assistance to insure our success
in making an extensive survey of Choquequirau and Vilcavamba.
I am delighted that I can also count on your assistance.

Sincerely yours,

Professor Albert A. Giesecke,

Rector of the University of Cuzco,

Cuzco, Peru.

March 16, 1911.

Dear Dr. Adams:-

As the plans for the Yale Expedition to Peru are now
practically completed, I thought you might be interested
in seeing a statement regarding them which I have prepared
for publication.

March 17, 1911.

Dear Mr. Schaefer:-

Thank you very much for your kind letter, and for the
copies of the Exporters' Encyclopaedia, which my men will much
appreciate. I shall certainly send the publishers of that excellent
work a testimonial, for I regard it as extremely useful.

With regard to the Yale Expedition, the completed plans of
which I am enclosing, let me tell you again how much I appreciate
your interest in it, and your very generous offer to subscribe
$250 toward our expenses. In accordance with your request I
shall send you a memorandum about the first of May.

Would you be willing to satisfy a matter of personal
curiosity? Is your second name Louis or Luis? As I write very
blindly, I perhaps may be forgiven for not being able to tell
from your signature just how you spell it. I had always supposed
that you spelt it L-u-i-s, until the other day I received a letter
signed by your secretary in your absence, which was very carefully
spelled L-o-u-i-s. My father brought me up to be very particular
about spelling people's names in the way they wished them spelled,
so I trust you will forgive this seeming impertinence.

With kindest regards and many thanks, believe me to remain,

Faithfully yours,

J. Luis Schaefer, Esq.,

Hanover Square, New York.

March 17, 1911.

Dear Mr. Chittenden:-

Referring to my recent conversation with you, it occurs
to me that it may be of some value to you to have a copy of
the plans of the Yale Expedition to Peru, so far as have been
worked out up to the present time.

You will notice that no plans have been worked out
for any biological survey or natural history collections.
It is my idea not to make these definite or attempt to elaborate
them until the man is secured. These plans, however, will give
you an idea of where we are going. The field is an excellent
one for making biological collections, and it would be my
plan to give whoever we took as good a chance as possible to
bring back first class results. I hope most sincerely that
we can get a man who will be under University appointment, and
to whom the University will give leave of absence for the fall
term.

Faithfully yours,

Professor R. H. Chittenden,

Director, Scientific School,

Yale University.

3 N. CALVERT ST.
BALTIMORE

BALTIMORE, MD. March 17th, 1911.

My dear Hi:-

I had your letter a few days ago and was much obliged
to you for writing me. I turned the letter over to John Poe and
he said that he would communicate with you direct. I rather think
the $1,800. expense will prevent him from considering the trip,
as he has no money to speak of and this would, from what he
told me, put the matter out of the question.

I would be very glad if you would bear him in mind, however,
as I am sure he would be not only a valuable man for you in
his practical experience, but you would also find him an interest-
ing and agreeable companion.

With kind regards and best luck, I am,

COPY.

DEPARTMENT OF THE INTERIOR
UNITED STATES GEOLOGICAL SURVEY
WASHINGTON

Office of the Director

March 21, 1911.

Honorable Charles D. Norton,
Secretary to the President.

My dear Mr. Secretary:

In reply to your letter of March 16, through the Secretary of the Interior, enclosing a copy of letter from Mr. Hiram Bingham of Yale University, relating to a proposed scientific expedition to Peru.

While the proposed expedition and its object appeals to a number of the skilled topographers of this Survey no one of them is in a position to accept the offer. I think that probably, without exception, those whom I would recommend for such a trip are hard working men who are dependent upon their monthly salaries and they could not afford to take a six months' leave of absence without pay, which would be necessary to enable them to accompany the expedition. I may say, that although there is urgent need for the services of such possible candidates I would, in the interest of science, be pleased to recommend them for this trip, so far as the needs of the Geological Survey are concerned.

Should any possible way be found to pay for the services of a topographer competent for this work, I would have in mind several Survey men who are receiving salaries ranging from $200 to $250 per month.

Director.

March 21, 1911.

Dear Sir:-

Through the kindness of Isaiah Bowman, assistant professor of geography in this University, and Mr. Matthes of the United States Geological Survey, I have learned that there is a possibility that you might be interested in the plans of the Yale Expedition to Peru.

We expect to leave New Haven on the 10th of June and be gone until December 18th, spending five months in the field doing geographical, archaeological and historical exploration. We expect to make a cross section of the Andes through a country that has never been scientifically explored, and only mapped in the rudest possible way some fifty years ago. The party will probably consist of a physiographer and geologist, a skilled topographer, and an assistant topographer, and possibly a surgeon and naturalist, besides the director.

There are four problems before us. The first is: How far into the Amazon jungle did the Incas carry their civilization? I am convinced that there are more Inca ruins to be discovered near Choquequirau, and particularly on the North slopes of the glacier-clad peaks which separate Choquequirau from the Urubamba Valley. Dr. Baraboo, who led the Harvard expedition into Peru three years ago, went down this valley, and confirms my opinion that the region which we propose to enter is one of the most important unexplored archaeological fields in Peru. We shall probably spend about two months and a half in this region, doing everything we can to visit any ruins that are reported, particularly in the Vilcabamba valley where the last Inca lived after he escaped from the Spaniards.

2.

The second is: a reconnaissance of the 73d meridian from the Amazon valley to the Ocean, a distance of perhaps three hundred miles. This reconnaissance, taking about a month, will include physiography, geology, archaeology, etc. The region is an interesting one historically, and in it the great General Sucre campaigned in the weeks preceding the battle of Ayacucho, which has been called "The Yorktown of South America". In it also lies the rich sugar region of Abancay, and the celebrated ruins of Choquequirau, which I visited on my last journey to Peru.

Third: Mount Coropuna, a volcanic cone with a magnificent ice cap. Few people have ever heard of it, but some believe it to be the highest mountain in South America. Professor Bandalier is inclined to the belief that it is over 23,000 feet high. If possible we shall climb the mountain. If not we shall content ourselves with determining its altitude instrumentally and making a good map of it. There are several villages near the mountain which offer an interesting field for the study of human geography.

Fourth: About forty miles Northwest of Mount Coropuna is Lake Parinacochas, which is practically unknown and unexplored. It is our plan to take along a folding canoe so as to be able to make a bathymetrical survey of the lake and a rough survey of its shores. We expect also to determine the latitude and longitude of various points.

It is also our purpose to explore a portion of Peru which is not at present known to science. The amount and kind of information which we shall try to gather will be limited only by the number and the individual ability of the men who compose

the expedition, and by the time.

I very much hope that we shall be able to secure the
necessary funds to pay the expenses of both a physician and
a naturalist. The former to keep the party in good health,
and study the pathology of central Peru, and the latter to
make collections of flora and fauna for the Peabody Museum.

Sincerely yours,

R. H. Chapman, Esq.,
Canadian Geological Survey,
Ottawa, Canada.

March 21, 1911.

Dear Mr. Eddy:-

As you probably know, we are planning a Yale Expedition to Peru. We expect to leave New Haven on the 10th of June and be gone until December 18th, spending five months in the field doing geographical, archaeological and historical exploration. We expect to make a cross section of the Andes through a country that has never been scientifically explored, and only mapped in the rudest possible way some fifty years ago. The party will probably consist of a physiographer and geologist, a skilled topographer, an assistant topographer, and possibly a surgeon and naturalist, besides the director.

There are four problems before us. The first is: How far into the Amazon jungle did the Incas carry their civilization? I am convinced that there are more Inca ruins to be discovered near Choquequirau, and particularly on the North slopes of the glacier-clad peaks which separate Choquequirau from the Urubamba Valley. Dr. Farabee, who led the Harvard expedition into Peru three years ago, went down this valley, and confirms my opinion that the region which we propose to enter is one of the most important unexplored archaeological fields in Peru. We shall probably spend about two months and a half in this region, doing everything we can to visit any ruins that are reported, particularly in the Vilcabamba valley where the last Inca lived after he escaped from the Spaniards.

Fourth: About forty miles Northwest of Mount Coropuna is
Lake Parinacochas, which is practically unknown and unexplored.
It is our plan to take along a folding canoe so as to be able to
make bathymetric survey of the lake and a rough survey of its
shores. We expect also to determine the latitude and longitude
of various points.

In conclusion, it is the object of this expedition to explore
a portion of Peru which is not at present known to science. The
amount and kind of information which we shall try to gather will
be limited only by the number and the individual ability of the
men who compose the expedition, and by the time.

3.

former to keep the party in good health, and study the pathology
of central Peru, and the matter to make collections of flora
and fauna for the Peabody Museum.

Would you care to contribute? All the moneys pass through
the hands of the Yale treasurer, who is responsible for their
being properly expended. We estimate the cost of the expedition
at $1800 per man. The scientific members will receive no salary,
although it may be necessary to pay the topographer a small
honorarium.

Perhaps I ought to say in conclusion that I have agreed
to contribute $1800 toward the expenses, besides furnishing
part of the outfit.

Faithfully yours,

Thos. A. Eddy, Esc.,
26 Broad Street,
New York.

March 21, 1911.

Dear Dr. Adams:-

I am very sorry that your Society does not own
any instruments. I hope that the time will come, as you
say, when this aid can be rendered to intending
explorers.

I thank you for your invitation to prepare an
account of the geographical work for publication in
the Bulletin. I shall bear this in mind and plan to
accede to your request if you still desire the article
on our return.

Sincerely yours,

Dr. C. C. Adams,

American Geographical Society,

15 West 31st Street, New York.

March 21st, 1911.

Messrs. Sweezey & Kelsey,

New Haven, Conn.

Gentlemen:-

Replying to your inquiry of the 20th instant, I would advise
you that our steamers leave Panama fortnightly as follows:-

S.S. "Ucayali" - March 20th,
" "Mantaro" - April 3rd,
" "Ucayali" - " 17th,
" "Mantaro" - May 1st,
" "Ucayali" - " 15th,
" "Mantaro" - " 29th,
" "Ucayali" - June 12th,
" "Mantaro" - " 26th,
" "Ucayali" - July 10th.

Our vessels have accommodations for first, second and third
class passengers, the cabins being fitted with electric lights and
fans. The passengers have at their disposal luxuriously furnished
saloons, smoking, music and dining rooms, library, etc. The vessels
are new, the first trip of the "Mantaro" being that made April 3rd.
The rates via our Line are the same charged on the steamers of the
other companies, viz:-

| Panama to Paita | 1st. | 2nd. |
|---|---|---|
| Iten | $71.76 | $49.54 |
| Pacasmayo | 76.81 | 54.56 |
| Salaverry | 88.88 | 66.66 |
| Callao | 93.93 | 73.50 |
| Pisco | 113.113 | 78.50 |
| Mollendo | 113.113 | 78.50 |

Ours are the only vessels on the West Coast having second class accom-
modations. The matter of a discount must be taken up with the com-
panies on this side of the Isthmus from whom the tickets for the
through trip are purchased. These companies are the Panama
Railroad Co., United Fruit Co., Hamburg American Line and Royal
Mail Steam Packet Co.

Assuring you that your party will receive the best of
service and attention on the steamers of this Company, I am,

Yours very truly, E. Higginson New York Agent.

March 21st,

Messrs. Sweezey & Kelsey,

New Haven, Conn.

Gentlemen:-

| Panama to |             | 1st. | 2nd. |
| :-------- | :----------- | ---: | ---: |
| Paita     |             | $71. | $49. |
| Eten      |             | 76.  | 54.  |
| Pacasmayo |             | 76.  | 54.  |
| Salaverry |             | 81.  | 56.  |
| Callao    |             | 88.  | 66.  |
| Pisco     |             | 93.  | 73.50|
| Mollendo |             | 113. | 78.50|
| Ilo       |             | 113. | 78.50|

March 21 1911.

Dear Herbert:-

You will be interested to know that Professor Bowman,
a member of the United States Geological Survey, and one of
our Assistant Professors of Geography, has consented to go on
the Yale Expedition to Peru in the capacity of geologist and
geographer. He has already made one trip to South America and
is a thoroughly competent person. I should have preferred to
have taken Professor Gregory, but he found it impossible to go,
although he says he will be ready to go "next time". As a matter
of fact, however, Bowman will enable us to make a first class
report in his department.

I think that there is a likelihood of our being able to take
a Chief professor along as a naturalist. The man whom the biologists
recommend is very keen to go, and the only question now is whether
to the Director of the Scientific School can be brought round to giving
him the necessary leave of absence. So far I have only got $250
towards his expenses, but I think there will be no difficulty about
raising the necessary amount. He will make botanical and zoological
collections, not attempting, however, to bring out any of the larger
animals or birds. There is a chance that in the lake which we hope
to explore that there may be found some new species of animal life.

We have not yet settled on our topographer, but have two
or three good ones in sight.

Sincerely yours,

Herbert A. Soheftel, Esq.,
53 East 74th Street,
New York.

March 21, 1911.

Dear Sir:-

I thank you for your kindness in writing to me regarding
the Inca ruins on the southern end of Lake Titicaca, near the
railroad. I examined these ruins two years ago, and a brief
account of them is to be published in a book entitled "Across
South America", which Messrs. Houghton Mifflin of Boston are
bringing out next month. A full account of them may be found
in E. G. Squire's "Peru the land of the Ingas".

I am much interested to see that you came across the Andes
from Jujuy to Arequipa. This was my route two years ago.

Sincerely yours,

Mr. J. D. Riley,
Mercedes, Texas.

March 17, 1911.

My dear President Taft:-

I wish to thank you for your courtesy in
referring my letter to the various government
departments from whom a topographer might be
assigned to the Yale Peruvian Expedition.

Within the past few days I have been able
to put our plans in a little better and more
concrete form, and I am taking the liberty of
enclosing a copy of them, in case you desire to
have it for reference.

It now seems probable that Professor Bowman,
of our department of Geography, will go as
physiographer and geologist.

Assuring you of my appreciation of your
interest in the expedition, I beg to remain,

Faithfully yours,

His Excellency Wm. H. Taft,

President of the United States,

Augusta, Georgia.

Copy

DEPARTMENT OF COMMERCE AND LABOR
Coast and Geodetic Survey
Washington

March 17, 1911.

Dear Sir:

Referring to your note to Mr. Tittmann of March 16th, I have the honor to say, in his absence, that it seems very doubtful if any provision of Congress, providing for employment in the Coast and Geodetic Survey, can be construed as authorizing a detail, with pay, of a topographer for service in a foreign country under a non-governmental institution, as suggested in the letter of Dr. Hiram Bingham, of Yale University.

For the work proposed a man should be an expert in the various branches of surveying, including photo-topography. Mr. Kai Hendriksen, who is now employed on the boundary work being conducted under the direction of the Coast and Geodetic Survey, is a young man eminently qualified for this work and the Superintendent will be pleased to recommend him, if agreeable to the Yale authorities. He is willing to give up his position on the boundary survey and accept this service without other compensation than that indicated in the letter of Dr. Bingham.

Hon. Charles D. Norton,
Secretary to the President.

(Through the Secretary of Commerce and Labor)

March 22, 1911.

Dear Win:-

When you gave me the name of the man at Colt's,
I, understood you to say C. H. Robinson, '94 S. There was
a C. L. F. Robinson in '95 S, but this does not seem to be
the man you refer to, as he lives at Newport. In '94 S there
was a Ralph S. Robinson, but he seems to live in West Haven.
Please straighten out my tangle.

By the way, Bowman, who is going on the Expedition as
our geologist and geographer, has a 92 model which has seen
some service. He has donated it to the Expedition in the
hope that you will be willing to exchange for it a 30-30
"Take Down", like the one you are making for me, only with a
full length barrel. Is this asking too much?

The chances for Harry Foote's going as naturalist are
getting brighter. In case he does go, can I count on you
or your father for a part or the whole of his expenses?

If you would like to know more about our plans before
taking any further financial interest in the expedition, I shall
be glad to send them to you.

Sincerely yours,

Winchester Bennett, Esq.,

Winchester Repeating Arms Company,

New Haven.

be more lenient. You made serious blunders in filling my first
order; you once furnished me with army biscuit that had worms
in them; on another occasion for a balloon silk waterproof tent
you sent solid tent poles weighing 25 or 30 pounds, etc., etc.

I thought, however, to give you one more chance
and was very much pleased with the discounts you offered, but
I see that it is no use. A firm that does not keep a record of
its customers orders and does not recognize its customers as
such, is not one that I can afford to deal with even though I
get better discounts than elsewhere.

Sincerely yours,

DR. WILLIAM G. ERVING
922 SEVENTEENTH STREET
FARRAGUT SQUARE

TELEPHONE, MAIN 4072
CONSULTATION HOURS 4 TO 5 P.M.
AND BY APPOINTMENT

WASHINGTON, May 18, 1911.

Dear Hi:

Many thanks for your letter which clears up a number of the missing points, and I hope that by tomorrow I will hear from you in regard to some of the questions propounded in my letter of the seventh. I have been making every effort so as to be able to get away next week as you requested, but this is the busiest time of the year with us, and it will absolutely necessary for me to stay here until I leave for good. In other words, while I can leave a day earlier if necessary, it is practically impossible for me to get up and back again this week. I also have to take my little girl up to Hartford with me, which further handicaps me in getting ready. I would suggest the following plans and see where and how long you can arrange to see me by this schedule. I can leave Washington on Tuesday at nine a.m., reaching Penn. Station at one o'clock-five. If you will be in New York, I can go directly to Hotel Belmont, where we will have until the four o'clock train to discuss matters, or if you are

going on to New Haven the same afternoon, that would give us almost two hours more.
Unfortunately it will be necessary to get the child at rest at a reasonable time,
after such a long journey, so I cannot spend that afternoon well in New Haven, but
can come down the following day, Wednesday, and give as much of the evening and night
as you think necessary in going over details, and if you are going to New York Wed-
nesday morning, we will have still more time, which I think will be amply sufficient.

In view of you letter, I will do nothing in regard to the camera or bedding
roll, but will use the camera and duffle bag you provide. I would like to take one
down with me however, as in the time intervening, I may see something worth photo-
graphing.

I woudl like a reply as soon as possible on the other points raised. I
will also give you a few more points as to the medical preparation when I see you,
if any seem to be necessary. In the meantime kindly find out what members of the
party, if any have had typhoid, and when and with what results they have been vac-
cinated.against smallpox.

Hendriksen told me he was going to put himself under your orders if you

could use him, after next Saturday. If you have no better use for him, why not send
him along with me in the advanced guards? as I think his equipment is alright.
I have seen him several times, and have been well impressed.

I had a talk the other evening with George Myers .98, whose baby is one
of our patients. I mentioned the expedition, and he said he had heard from you,
but in the rush of his European journey had forgotten all about it. After a few
hours' talk he became quite enthusiastic, asking me to write to you and say that
he would like to see you in New York in the matter, and expected to be there next
week, if not sooner. I think he is in New York at present, but if he does not see
you this time, I would write him at once, and try to catch him, as I think it may
be worth while. I told him of the possibility of my going on next Thursday, and
that you might be in New York on that occasion, which impressed him very favorably.
His address, you know is Stoneleigh Court. I expect to see him myself profession-
ally before the end of the week, in which case I can deliver any message which
you wish to give him.

I find that my field glasses are suffering from general decrepitude, so

10 East 33rd. Street, N.Y.City,
May 18, 1911.

Dr. Hiram Bingham,
Hotel Belmont, N.Y.City.

Dear Sir:-

Your telegram was forwarded from
Philadelphia and did not reach me until
last evening.

I want to thank you for
your kind invitation to consider the
proposition of becoming a member of your
expedition to Peru but much as I should
like to make the trip I cannot even think
of such a thing at the present time.

Would that I could see my way
clear to join you in your new investigations
as you are going to a region that should
give up much material of scientific
importance. You have my best wishes for
almost successful trip.

( COPY )

Department of Commerce and Labor

BUREAU OF STANDARDS

Certificate

for

MERCURIAL THERMOMETER

Maker: H.J.Green
Brooklyn, N.Y.

B.S.No. 4167

Submitted by

Carnegie Institution of Washington
Washington, D. C.

THIS CERTIFIES that the thermometer bearing the above identification
marks has been compared with the standard thermometers of this Bureau and was
found to have the following corrections at this date:

| Thermometer Reading | Corrections |
|---|---|
| 86°C | -0.08 |
| 90 | - .10 |
| 95 | - .08 |
| 97 | - .06 |
| 100 | - .06 |

When the sign is + the correction should be added to and when - sub-
tracted from the observed reading. The above corrections apply for the condition
of total immersion.

Test No. 5511
May 18, 1909

Washington, D.C.

May 20, 1911.

Dear Mr. Keith:-

I trust you will pardon my delay in writing to you
and expressing my great appreciation of your willingness to
help so materially in the work of the Yale Peruvian Expedition.
As you know, we have had many family troubles of late, and my
time has been so divided between New Haven and New York that I
have neglected my correspondence.

I am writing this morning to my publishers, asking them
to send you a copy of my new book with my compliments. I trust
you will receive it safely. I am also taking the liberty of
sending you a reprint of the article on Choquequira, thinking
that you might be interested in having a duplicate of that part
of the book, owing to your interest in archaeology. If you would
like any other reprints I shall be glad to send them.

I have written to George Parmly Day, treasurer of Yale
University, telling him of your offer, and that he might expect
to receive from you in a few days, at your convenience, a check
for $1800 towards the fund of the Yale Peruvian Expedition, and
also that you had arranged for the members of the party to receive
passes on their way down to Panama. As stated to you, two of the
party will sail on the 25th of May, and four on the 8th of June.

I do not need to tell you how grateful I am for your
assistance, nor to assure you that we shall endeavor to make the
very best possible use of your money. Your generous gift will
enable us to employ an archaeological engineer who will have charge
of the engineering work in connection with the archaeological

TELEPHONE 215 BROAD

CABLE ADDRESS "VAPORUANA" NEW YORK.
CODES
LIEBER'S
A.B.C. 5TH ED.
SCOTT'S 10TH ED.

Compañía Vernana de Vapores y Dique del Callao.

EHIGGINSON,
NEW YORK AGENT

25 BROAD STREET

New York

May 20th, 1911.

Mr. Hiram Bingham,

New Haven, Conn.

Dear Sir:-

For your information, I am giving you below a list of the
steamers leaving New York for Colon which make good connections with
our S.S. "Mantaro", sailing from Panama June 24th, our sailing day
from the Isthmus having been changed from Monday to Saturday. The
sailings from New York are the following:-

Hamburg American Line, Lv. N.Y. June 10th, Ar. Colon June 19th,
United Fruit Co., " " 15th, " " 22nd,
Panama R.R. Co., " " 17th, " " 23rd.

All through tickets for South Pacific ports purchased at
the steamship offices here are available for use on our Line.

Trusting you will be able to make arrangements to go forward
on our steamer from Panama, I am,

May 20, 1911.

Dear Billy:-

This letter did not get off yesterday as I hoped that it
would. In the meantime I went to New York and found yours' of
May 18th. After sleeping over it I telegraphed Hendriksen this
morning to sail with you next Thursday. I am writing him to come
to New Haven as soon as he can.

When you leave Washington, go to the Belmont, and if I am
not there take the three o'clock train to New Haven. I will meet
you at the station and you can have at least an hour here before
the Hartford train comes in -- then you can come down Wednesday
and spend Wednesday with us, making final plans, etc. If I have
to be in New York Tuesday, which I do not expect at the present time,
I will be at the Belmont about two o'clock.

None of us have had typhoid so far as I can find out.
Bowmen was vaccinated against small pox four years ago. It took
very severely and laid him up for a week. As he expects to be
very busy until he starts, he does not want to get vaccinated until
the day before he gets on the steamer. Does the typhoid vaccination
fly you up?

I wish you could see Geo. Meyers again. I telephoned him
in New York but he was out, and you gave me no address. In case
you see him, please tell him our funds are not yet completed and we
should be very glad to have him give what he can. Anything from
$100 to $1,000 will be most gratefully received by Geo. P. Day,
treasurer of Yale University, who will place it to the credit of
the Yale Peruvian Expedition.

ADDRESS ALL COMMUNICATIONS TO
SUPERINTENDENT, COAST AND GEODETIC SURVEY,
WASHINGTON, D. C.

COAST AND GEODETIC SURVEY

Washington

May 20th 1911.

Dear Dr. Bingham:--

Thank for your letter of yesterday and your two telegrams of
to day; I hope to come to New Haven Tuesday night; but it will
be for a stop of a few hours only; I shall be very busy every
minute from now on untill I go on board the steamer, so if pos-
sible I should prefer very much to se you in New York.

I hope to leave Wash. Monday at midnight; I will se Dr. E.
to morrow and arrange for the same Hotel as he.

Mr. Geo. F. Muth & Co., 418 Seventh st., N.W., Wash., D.C.
has furnished the paper and celluloid, which is send to the Geol.
Surv. and will be packet there, or rather is already packet;
Muth did not know, how much it would cost, so I have asked him
to send the bill to you; it will be about $20.

Try The Taylor Instrument Co., Rochester, N.Y.; they are
said to have fine aneroids for high elevations of an english
make, Short & Mason, I think.

I shall ship all the instruments Monday to the Pier and
shall attend to them there.

As far as I remember you want me to carry 4 time pieces;
please have good pockets made for them to fix on a belt.

I have ordered some books, which ought have been here long
ago; in the case they do not arrive before I leave, I take the
liberty to let the office forward them to your address.

I have the stof from Carnegie Inst. in hand.

POSTAL TELEGRAPH - COMMERCIAL CABLES

CLARENCE H. MACKAY, PRESIDENT.

TELEGRAM

DELIVERY No.

The Postal Telegraph-Cable Company (incorporated) transmits and delivers this message subject to the terms and conditions printed on the back of this blank

16NH-D8779

A85WY X 17,

DESIGN PATENT NO. 40529

Pa-Washington, D.C. May 20, 1911

Hiram Bingham,

Seven eighty seven Prospect St, New-Haven Conn.

Ready for Thursday must see you in New-York Tuesday or Wednesday
my address Uncertain please advise Erving.

Kaj. Henriksen.

2:12PM.

DIVISIONS
TAYLOR BROTHERS COMPANY
WATERTOWN THERMOMETER CO.
THE HOMMANN & MAURER MFG. CO.
H. & M. AUTOMATIC REGULATOR CO.
THE R. HOEHN CO.
SHORT & MASON, LTD
LONDON, ENG.
CAMBRIDGE SCIENTIFIC INST. CO. LTD
(AMERICAN BRANCH) CAMBRIDGE, ENG.

Taylor
Instrument Companies

ROCHESTER, N.Y. U.S.A.
(WHERE THE THERMOMETERS COME FROM)

BRANCHES
BOSTON,
44 HIGH ST.
NEW YORK,
BANK OF METROPOLIS BLDG.
31 UNION SQUARE
CHICAGO,
KEYWORTH BLDG.
29 EAST MADISON ST.
LONDON, ENG.
FACTORY-MACDONALD ROAD,
WALTHAMSTOW, N.E.
SHOW ROOM-ATLANTIC HOUSE,
HOLBORN VIADUCT, E.C.

May 20th, 1911.

Yale University,
Sloane Lab.,
New Haven, Conn.

Gentlemen: Attention Prof. Gregory.

We enclose duplicate bill covering charge for repairing
a Mountain Aneroid, which bill dates back to Feb. 23rd,
and is now of quite some standing. Will you not kindly
advise, Mr. Gregory, what is holding up payment of this
charge? If there is any question about it kindly take
it up so that we can straighten it out.

HWK:LMG

TO INSURE PROMPT ATTENTION ADDRESS ALL COMMUNICATIONS TO THE COMPANY.

UNITED FRUIT COMPANY,

ANDREW W. PRESTON, PRESIDENT.
MINOR C. KEITH VICE-PRESIDENT.
CHARLES A. HUBBARD, TREASURER.
BRADLEY W. PALMER, SECRETARY.

GENERAL OFFICES, 131 STATE STREET, BOSTON.

WHITEHALL BUILDING, 17 BATTERY PLACE,

NEW YORK, May 22, 1911.

Professor Hiram Bingham,

Yale University,

New Haven.

Dear Professor Bingham,

Your letter of May 20th is at hand. I note you have
written to your publishers to send me a copy of your new book,
for which I am much obliged.

On Saturday I mailed a check for $1800 to George P. Day,
Treasurer of Yale University.

I have written to Mr. Preston about the passages for your
party on our line. I think you can in any event count on half
rates. As soon as I hear from Mr. Preston I will advise you.

I trust you may have a very successful trip.

W. F. GRACE & CO.
NEW YORK

New York, May 26th 1911.

Dear Prof. Bingham,

You may be interested to know that the shipment for your expedition, went forward all right and that the total cost is $285.63, from which a small discount is to be deducted.

This will bring the price lower than we expected.

Prof. Hiram Bingham
c/o Yale University
New Haven, Conn.

W. R. GRACE & Co.

CABLE ADDRESS "GRACE"
HANOVER SQUARE.
P.O. BOX 286

EXPORT DEP'T.

NEW YORK

May 27, 1911.

Yale University,

New Haven, Conn.

Dear Sirs:-

We enclose our bill of May 26th, equalling $318.25
covering charges as per Austin Nichols & Co's bill of May 24th,
together with freight, consular charges and marine insurance
to Mollendo.

This shipment went forward per ss "PRINZ EITEL FRED-
ERICK" yesterday, and we have requested our Lima House to take
the necessary steps with regard to entering same duty free.

Trusting that these supplies will reach Mollendo
to your entire satisfaction, we remain,

S

UNITED FRUIT COMPANY,

ANDREW W. PRESTON, PRESIDENT.
MINOR C. KEITH, VICE-PRESIDENT.
CHARLES A. HUBBARD, TREASURER.
BRADLEY W. PALMER, SECRETARY.

June 1, 1911.

Professor Hiram Bingham,

Yale University,

New Haven, Ct.

Dear Professor Bingham,

Our Traffic Department advises me that they have reserved
Rooms 27-28 and 29 for the use of your party on the Steamship
"Santa Marta" sailing June 8th, and that the tickets will be
delivered to you on board the steamer on the day of sailing,
unless you call for them at an earlier date.

Library of Harvard University
Cambridge, Massachusetts

June 3, 1911.

Dr. Hiram Bingham,

Dear Hiram:

It is like your hospitality to ask me to spend a night with
you, when you have countless things to do and every one of your minutes
must be precious. Even if I could get away from here, which I cannot
very well, I should feel that it would be more than selfish in me to
impose myself on you at this moment. All I will do is to wish you the
best of luck. What is your address, by the way? Also, I do not need
to say that I shall be grateful to receive specimens of your handwriting
or dictating from the High Andes.

Have you seen Winship since he got back from Mexico? He seems
to have had a very good time of it.

The Colonel Church Library has at last got into the hands of
Sotheran, and we are told that it will arrive shortly. I have my doubts
as to what an Englishman's idea of "shortly" is; but Sotheran is a pro-
fessional shipper and, I suppose, does not care to pile up the stuff he
has on his hands. We may therefore get the books in an appreciable time -
let us say, in time to be ready for your inspection when you get back.

My own plans are commonplace enough. My summer is to be spent
between New Hampshire and Cambridge, and my chief excitement will be the
closing of the Library in order to put in the trays for the new card cata-
logue.

Good-bye, and the best of luck to you!

Washington, D. C.,

June 5, 1911.

Prof. Hiram Bingam,

Yale University, New Haven, Con.:

Dear Sir:

I hear that you, in the near future are to command an ex-
ploring expidition to Peru.

I have in mind a young man who I think would be delighted
to accompany you and would a suitable addition to your party.

His name is, Mr. Talbot F. Lane. He is now employed in
the Division of Physical Anthropology at the U. S. National Museum at
Washington, D. C.

He has a good education and has had exceptional advantages
in scientific training which well suits him for work of your kind.

He is married and of course would require a small compensation
for his family in his absence, for he is entirely indebted to his own
exertions for a livelihood.

He has been studying Spanish for some time and speaks the
language fairly well. He also has some little knowledge of the
ancient Incas and this coupled with his scientific training admirably
suits him to be one of your party.

I sincerely hope that you will be able to do something for
him. Thanking you in advance I remain

YALE UNIVERSITY,

SECRETARY'S OFFICE,

New Haven, Conn.,

June 6, 1911.

Dear Hiram:-

The matter of the appointment of the members of the Peruvian expedition came up Saturday at the Prudential Committee meeting, but it seemed best to postpone action until the meeting of the Corporation. My impression is that the matter can be arranged without serious difficulty. I am sorry to say that I find on inquiry at Princeton, that under similar circumstances they have never been in the habit of giving a formal appointment to members of their expeditions, but there is no necessity for our following this precedent.

Professor Hiram Bingham,
787 Prospect street,
New Haven, Conn.

DIVISIONS
TAYLOR BROTHERS COMPANY
WATERTOWN THERMOMETER CO.
THE HOHMANN & MAURER MFG. CO.
H. & M. AUTOMATIC REGULATOR CO.
THE R. HOEHN CO.
SHORT & MASON, LTD
LONDON, ENG.
CAMBRIDGE SCIENTIFIC INST. CO. LTD
(AMERICAN BRANCH) CAMBRIDGE, ENG.

Taylor
Instrument Companies

ROCHESTER, N.Y. U.S.A. June 6, 1911.
(WHERE THE THERMOMETERS COME FROM)

Yale University,
Geological Dep't,
New Haven, Conn.

H. E. WILLIAMS, SEC'y.

Dear Sir:

We have yours of June 3rd.

The aneroid you returned to us came to hand yesterday afternoon. This leaves the time rather short, but we are repairing it today and it will be sent by express this afternoon direct to-

Dr. Hiram Bingham,
Str. Santa Marta,
Pier 16, East River, N. Y. City.,
with special instructions to the express company that it must
be delivered not later than 11:30 Thursday, June 8th.

This particular type of barometer is most difficult to keep in order, and it is through no fault of the repairing work we put on it that it is giving trouble. We will do everything that can be done to put it right, so it will give good service, and hoping the delay in reaching us will not make it late in reaching Dr. Bingham, we are

HJW:MLA.

COPY.

Drawing Materials
Mathematical
and Surveying
Instruments
Measuring Tapes

TELEPHONE 1100 HOBKEN.

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GENERAL OFFICE AND FACTORIES, HOBKEN, N. J.

PARENT HOUSE
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KEUFFEL & ESSER CO.

CORRESPONDENCE DEPARTMENT.

HOBKEN, N. J. June 7, 1911.
ADAMS & THIRD STS.

\#483-M.04

Prof. Hiram Bingham,
Yale Station,
Box 901,
New Haven, Conn.

Dear Sir:

Enclosed you will find our invoice amounting to $231.15, covering the transit and other instruments which are being delivered Thursday morning, June 8th to the Steamship Santa Marta, United Fruit Company, Pier #16, E. R. N. Y. City, for the Bingham Yale Peruvian Expedition, the goods being ordered for Mr. Herman Tucker.

Thanking you for this order and awaiting your further favors, we remain,

Dict. by C.H.
Enclosure.

- A copy of this letter has also been sent with the shipment.

ADDRESS ALL CORRESPONDENCE TO THE COMPANY.

W.R.GRACE & Co.

VALPARAISO, SANTIAGO,
CONCEPCION, TALCAHUANO, VALDIVIA,
IQUIQUE, ANTOFAGASTA,
LIMA, CALLAO, AREQUIPA,
LA PAZ, ORURO.
NEW YORK, SAN FRANCISCO.

GRACE BROTHERS & Co., LTD.
LONDON AGENTS

Cable Address "GRACE"

SANTIAGO, June 23rd, 1911.-

Mr. Hiram Bingham,-
Director of the Yale Peruvian Expedition.
Observatorio Astronómico.- AREQUIPA.-
PÉRU

Dear Sir,

On the 20th. inst. we received your letter dated, May 22nd.
from New Haven, Conn. requesting us to buy for your account a
copy of the astronomical book, by A. Obrecht, entitled: "Determina-
cion de la hora y de la latitud geográfica de un lugar por la
observacion de los momentos en que las alturas de algunas estrellas
son iguales." ("Pares de Estrellas.")-

Mr. Obrecht retired 2 years ago from the Direction of the
National Observatory in the Quinta Normal, here, and although he is
still in Santiago, we could not at once communicate with him as
as he is only at certain times in the National University.

We sent to half a dozen of the leading bookshops, and also
to the "Imprenta Universo" where the work had been printed, but a
copy of the book could not be got; however to-day we succeeded
in obtaining a copy, and according to your wishes we have had same
posted to-day to W. R. GRACE & Co., Arequipa, to be delivered to you.

We observe you would have preferred to have the book "bound,
but that would have cost considerable delay, so we have sent same
as received from the National Observatory in the Quinta Normal, here.
It goes to-day by registered mail, through the post office, so please

Peruvian Legation.
Washington, D.C.

June 23, 1911.

Professor Hiram Bingham.

Yale University.- New Haven, Conn.

Sir:

Referring to your letter of February 28 in which you exposed the nature of the Yale Scientific Expedition to Peru and suggested that the Government of Peru afford it the usual favors granted to scientific expeditions, I beg to inform you that on May 3d a decree was issued by the proper authorities at Lima granting free entry for the equipment and other articles to be imported by the said expedition and ordering that the usual courtesies of the port be tendered to its members.

W.R.GRACE & Co.

NEW YORK

SAN FRANCISCO VALPARAISO
LIMA SANTIAGO
CALLAO
AREQUIPA CONCEPCION
LA PAZ VALDIVIA

LONDON.

CABLE ADDRESS "GRACE"
HANOVER SQUARE.
P.O.BOX 286

GRACE BROTHERS & CO., LTD.

NEW YORK June 27, 1911.

Prof. Hiram Bingham,
Box 901, Yale Station,
New Haven, Conn.

Dear Professor Bingham:-

Your letter of June 13th written from Jamaica, was duly received. We have placed your entire order with Messrs. Grace Bros. & Co., Ltd., at London, for direct shipment to Mollendo. Unfortunately, we were unable to obtain Pennican from Armour & Co., they had none in stock and would not care to make up less than six thousand pounds; they tell us however, that this article is carried in stock in London, and if not, suitable substitution could be found.

The two special cases will be shipped, as I say, above, direct from London, and each case will include the soap, towels, leather hinge, padlock and staple. The six extra boxes have been ordered from Austin Nichols for shipment from New York about July 15th. We think there will be no doubt about these shipments arriving in time, as I impressed on our London people the importance of shipping the two extra boxes quickly. Mr. Schaefer has written a special letter to Mr. Eyre in London, which will make it sure that the matter is given prompt attention.

I hope you have a very successful trip and would be very glad to do anything for you.

SUGARS & BERRIER
Sub-Agentes de la Cia. de Vapores

PACIFIC STEAM NAVIGATION CO.

Dirección: Puente Bolognesi N.º 88
Casilla Correo: No. 45
TELEFOND AREQUIPA Y MOLLENDO No. 236

Arequipa, 1st July 1911

PROFESSOR BINGHAM.

CUZCO.

Dear Sir,

We have the pleasure to enclose our invoice N° 11858 for -----
S/ 245.65, as also the keys for the three cases sent you.

The Railway Receipt we have forwarded to Messrs Cesar Lomellini
& Co, Cuzco; we consulted with Mr Blaisdell & he told us to send the
packages to the Baggage Room, if you are entitled to any reduction in
freight, perhaps you will write us regarding same.

Wishing both you & your companions a very successful trip.

Yours very truly,

SUGARS & BERRIER
Sub-Agentes de la Cía. de Vapores

PACIFIC STEAM NAVIGATION CO.

Arequipa, 1st July 1911

PROFESSOR BINGHAM.

CUZCO.

Dear Sir,

Yours very truly,

SUGARS & BERRIER

Sub-Agen tes de la Cia. de Vapores

PACIFIC STEAM NAVIGATION Co.

Dirección: Puente Bolognesi N.º 88
Casilla Correo: No. 45
TELEFONO AREQUIPA Y MOLLENDÓ No. 236

Arequipa, 1st. July 1911

PROFESSOR BINGHAM.

CHICCO.

Dear Sir,

The Railway Receipt we have forwarded to Messrs Cesar Lomellini
& Co. Cuzco; we consulted with Mr Blaisdell & he told us to send the
packages to the Baggage Room, if you are entitled to any reduction in
freight, perhaps you will write us regarding same.

The cases N° I & 2 are a little heavier than we should have
liked, but we sent them as they were, rather than cut out any of the
supplies, especially as they will probably be lightened the first day
out ?

W. R. GRACE & Co.

Cable Address, "GRACE"

NEW YORK
SAN FRANCISCO. VALPARAISO.
LIMA. SANTIAGO.
CALLAO. CONCEPCION.

GRACE BROTHERS & CO., LTD.
LONDON AGENTS.

Callao, July 6th. 1961.

Messrs Erving and Hendriksen.

Members. Yale University Exploration Party.
c/o. Professor Bingham.

Cuzco. Peru.

Dear Sirs

I enclose you copy of letter dispatched today to My Loiseau at Mollendo, which is self explanatory. Valparaiso House evidently carried out instructions fully and have recovered the tickets, which you have now only to lift, in the Mollendo Agencies Co office on your return to the coast.

Trusting this will find you in the best of health and hoping to again make your acquaintances on the return North.

V.R. GRACE & Co.

EXPORT DEPT.

NEW YORK

LA PAZ

NEW YORK

July 12th, 1911.

Prof. Hiram Bingham,

c/o W. R. Grace & Co.,
Arequipa, Peru.

Dear Sir:-

YALE-PERUVIAN EXPEDITION.

Extract of your letter to our Mr. Eggleston, regarding shipment of provisions forwarded per s/s "PRINZ BITEL FRIDRICH", of the Hamburg-American Line, May 26th, has had our careful attention, and in reply thereto, we find after thoroughly investigating, that this steamer arrived in Colon Saturday, June 3rd, and the first convection from Panama was Monday, June 5th, from which you will see that it was impossible to send these goods on said steamer, as the Railroad Co. will not transfer freight on Sunday. Therefore, the shipment was sent forward on the following steamer, which was the Peruvian Line s/s "UCAYALI", sailing from Panama June 10th, due to arrive atollendo on June 18th. On the strength of this we are surprised that you found the goods still on the Isthmus, upon your arrival there, and are making a thorough investigation of the matter.

We took particular pains to instruct the Hamburg Line to give
this shipment preference and expedite same off the Isthmus without any
elay whatsoever, and are disappointed, to say the least. Will you kindly
vise the date on which the goods arrived at Hollendo.

V. F. MARSTERS, F. G. S.,

CONSULTING GEOLOGIST.

Apartado 856-Lima, Perú, S.A.

New York City JULY 15th? '11.

Dr. Bingham,

Yale University?
New Haven, Conn.
My dear Sirs :-

I regret very much that I was not in LIMA at
the time of your arrival. At that date I had just returned from a
trip to the interior of the Department of Lambeyaque and was embark-
for Panama and New York.

I note that you have not received the little pamplet on
Corro Puno. I will see that another is sent to your New Haven
address.

I sincerely hope that you that you find yourPeruvian trip
full of interesting historical matter.

I am in New York on business, but expect to return to S.A.,
in the course of a few months.

Wishing you every success,

i remain yours faithfully,

EXPORT DEPT.

W. R. GRACE & Co.

NEW YORK

LA PAZ

GRACE BROTHERS & CO., LTD.

LONDON.

CABLE ADDRESS "GRACE"
HANOVER SQUARE
P.O.BOX 286

NEW YORK

August 1st, 1911.

Professor Hiram Bingham,

c/o W. R. Grace & Co.,

Arequipa, Peru.

Dear Sir:-

The additional six cases of food supplies ordered by
you, enroute to Panama, with instructions to have in Arequipa by
the middle of September, duly went forward by last Monday's steamer,
and should reach you in ample time. We have rendered our bill to
the University, for $95.16, covering the transaction.

The additional quantity ordered, of mostly English
products, was referred to our London office, to be filled complete,
and we are today in receipt of advices from them that shipment is
going forward from Liverpool via Panama, on 7th inst.

The only articles we were unable to get were the

4 tins Kola Biscuits.
4 " " Chocolate.

By "Hard Tack" we understand Cabin Biscuits, and have
supplied accordingly.

Hoping all the supplies will reach you in good condition

and in ample time, we are,

K/Q.

Ces. Lomellini & C.

IMPORTADORES EXPORTADORES
DIRECCION TELEGRAFICA

LOMELLINI
A. B. C. CODE USED

Cuzco, 2 de Agosto de 1961.
Serif

Senor Dr. Hiram Bingham.

Paltaybamba.

Muy estimado amigo :

Grato me ha sido recibir su apreciada de 26 de
Julio ppdo. celebrando mucho que su arribo a esa haya sido feliz y
que su acojida sea igualmente buena.

Veo con igual agrado que las ruinas de esa locali
dad le gustan y me congratulo de que la expedicion de su mando al
cance siempre en todas partes el exito mas satisfactorio.

Le agradezco por los terminos en que me expresa
su agradecimiento y siempre me tiene Ud. dispuesto a servirlo en
todo lo que Ud. necesite.

Respecto a las cartas, periodicos etc. que llegan
por correo para Ud. y sus compañeros siempre le mandamos a sus res-
pectivas direcciones conforme a las instrucciones que dejó U. Así
tambien las cartas que para EE. UU. remitio U. las hemos franqueado
con todo cuidado.

Deseoso de su buena salud y esperando que el res-
to de su viaje le sea prospero y feliz, quedo de Ud. su muy obsecuen
te amigo y atento S.S.

MP-

EXPORT DEPT.

W. R. GRACE & Co.

NEW YORK

LA PAZ

NEW YORK

August 9th, 1911.

Professor Hiram Bingham,

Dear Sir:-

We are sending you under separate cover, by registered mail, one package containing a Hypsometer, in accordance with letter received from Mr. H. L. Tucker, and also instructions sent directly to Henry J. Green of Brooklyn. We have paid for this apparatus, $18.- and have charged this amount to the Yale University, together with insurance and registered postage, amounting to $18.67.

Trusting this apparatus will reach you in perfect condition,

we remain,

K/Q.

Ces. Lomellini & C. a

IMPORTADORES Y EXPORTADORES
DIRECCION TELEGRAFICA

LOMELLINI
A.B.C. CODE 4th & 5th EDITION
LIEBERS CODE
PACIFIC STEAM NAVIGATION CO

Cuzco, 11 de Agosto de 1911.
Perú

Sr. Dr. Hiram Bingham.

Sta. Ana.

Muy estimado amigo:

Es en mi poder su atta.de 3 del actual, de cuyo
tenor me he impuesto con la atencion que merece, celebrando
mucho su feliz llegada a esa y de que le han agrado bastante
las antiguedades de esa region.

Conforme a sus deseos he ordenado que sus cartas
asi como la de los Sres. que me indica Ud. sean remitidas a la
Hda. Huadquina y las de los otros Sres. siempre a/c del Prefecto
de Abancay. Asicomo los periodicos respectivamente.

Respecto a los arrieros tambien he ordenado para
que tan luego se consiga uno, le mandemos los cajones que indica.

Deseando que todo sea prospero y feliz para Ud.
y sus compañeros le envío un cordial saludo y me repito de U.
como siempre su muy obsecuente amigo y S.S.

MP

W. R. GRACE & Co.
LIMA

LIMA, 28th. August, 1911.

Professor Hiram Bingham,

Cuzco.

Dear Dr. Bingham,

I have just received your letter of August 4th., which has delayed some time in reaching me. In the meantime, you will have learned from Mr. Ballen's telegram of the 11th. that he arranged that the obstacle to your progressing with your work be removed, and I take it that you will have no further difficulty. I do not know the contents of your letter to the President, but suppose that it would now be unnecessary and perhaps inadvisable to make any complaint, and so will not present the letter unless you telegraph to Ballén to do so. I am leaving the letter in his hands, as I expect to be leaving for New York in a week or two. Hoping that you are well, and with kind regards, I am,

DSI/C.

TELEGRAFOS DEL ESTADO

No.

Telegrama de No. Ps.
Depositado el de Setiembre de 191 á las h m. de la
Recibido en el de Set á las h m. de la
Indicaciones eventuales 2

Tip. El Lucreo-53130

<table><tr><td>1</td><td>Clifford</td><td>Bowman</td></tr><tr><td>2</td><td>franklin</td><td>W. A. S.</td></tr><tr><td>3</td><td>Gonzales</td><td></td></tr><tr><td>4</td><td></td><td></td></tr><tr><td>5</td><td></td><td></td></tr><tr><td>6</td><td></td><td></td></tr><tr><td>7</td><td></td><td></td></tr><tr><td>8</td><td></td><td></td></tr><tr><td>9</td><td></td><td></td></tr><tr><td>10</td><td></td><td></td></tr><tr><td>11</td><td></td><td></td></tr><tr><td>12</td><td></td><td></td></tr><tr><td>13</td><td></td><td></td></tr><tr><td>14</td><td></td><td></td></tr><tr><td>15</td><td></td><td></td></tr></table>

EL TELEGRAFISTA

HARVARD COLLEGE OBSERVATORY,
AREQUIPA STATION,
AREQUIPA, PERU, S.A.

October 1, 1911.

Dear Professor Bingham: -

It gives me much pleasure to present, on
behalf of the Observatory, these few plates to the Yale Peruvian
Expedition, and I trust that the results obtained with them will
be fruitful. Believe me

Professor Hiram Bingham,

Director, Yale Peruvian Expedition.

W. R. GRACE & Co.

CABLE ADDRESS "GRACE"

NEW YORK
SAN FRANCISCO
SEATTLE
LIMA
CALLAO
AREQUIPA

LA PAZ
VALPARAISO
SANTIAGO
CONCEPCION
VALDIVIA
TALCAHUANO

Arequipa,

October 25, 1911.

GRACE BROTHERS & Co. LTD.
LONDON

Professor Dr. Hiram Bingham,

Chuquibamba.

Dear Sir:

We duly received your telegram of yesterday's date, asking us to pay to Messrs. Stafford & Co., for your account the sum of $.500.00, which payment we have made, as per duplicate of receipt herewith.

At the same time we beg to advise you that we are sending by this same mail to yourself, care of Subprefect, a registered letter containing 25 letters, 1 postal card and 2 cables for you and the other members of the expedition, in accordance with your telegraphic instructions, all of which we trust will reach you in order.

We also enclose planilla #9535 of The Mollendo Agencies Co., S/.164.12, and invoice #12326, of Messrs. Sugars & Berrier, for S/.2.65, which finding O.K. please return to us for settlement.

Trusting that this will find you well, we beg to remain,

Enclosures

For safety's sake, we are holding back
in this office I "enconianda" for Mr. Tucker,
arrived from Boston, and 1 package newspapers
for you.
2/