New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1866-08-23

To question from Prof Hgard in regard to the accuracy
hat they be considered accurate within The traction
New Method Of Illuminating Opaque OBJECTS Under
Powers Of the Microscope" the subject Of paper by
President Barnard He states that when powers were used
TIE distance between the object 20 - m6gned was 50 small
hat Is often found impossible 70 Illuminate al all Some
hines tins distance is small that glass blown so Inn as to
only o0 OF an inch thick VIII interfere Wth the thorough
observation OF the OBJECT.
The only means nov 4 illuminating arder ie eansisnees
the sOeaed LnebeTkuehn uIfV-A eOAetI p"'c' 'Ne III
woe u Taick highly polished s,imeuts IN p,aonv
glass the series Of object glasses usually 81 in or
Ter @ h ht DR. BsEPS ssT r9e out & k OF BaS
paper about the size Of the object Outside Of TINS sum
hight viii pass 70 the mirror ana then down upon TIC
Ibect He found that TIE size " tie object glass
I1s permit light enough 20 pass through IT, the
he lover OF plano ground PEW WAY.
Pof Perkins pe1n9ned tha; ne lad proposed 10 peiOrate
around place where the object glass tube screwed in
covering these scs when not - use bI g,IIs Agolc
ID, be Lis conioa mro ths light being fehcced up
a tie mirror below and then by the conica mirror upon
he object below thinking that ID s maLIsr the ms
hgbt possible pass up the tube to TIE eye except 'N He
IT, B. thought the suggestion valuable and stated that he
ga, still earning on experiments IN that direction
Statement Of New and Compendous Method for the Coz;
Population and Mortality was tie title Of paper by ITO
d. Gould spoke in high praise o. the value Of the new
SECTION b.
NATURAL sC1KSCEs.
TIE section organized by the appointment Of Prof WIZ
ibell az chairman.
mons Of The Human Frame Gould remarked that the
sanitary Commission conceived the idea Of making anthIopo
ogoa examinations OF soldiers In the field with view OF
furnishing country with important fact which should i've
shen the Commission should be no more upon TINS ear
sheet Of these examinations 70 ascertain the effect OF eli
nate locality and mode Of life men, the average size and
proportions u the troops OF the United States as compared
t those Of foreign Countries and Of those OF the several
States compared with each oher also What size form ana
wegh Of best adapted 70 the the different branches
audf the Of
desirable Collect the statistics OF the dimensions and
proportions Of the human race since the most rigorous cossi
he military service The plan proposed BY the Commission
e examination The DR. that accordance with the
dian proposed % 600 examinations bad been made and
Embraced blacks and whites Indians IrshmeD FrenchmeD
Germans and in fact Of every nation and condition
They found the men North and South differed materially
their conformation. 1he Maine presented different
conformation the from Massachusetts
the fact noticeable throughout the States The
esu Of examinations would soon be ready for pnbca
Professor Newberry remarked that difference locality
afforded striking dsmiarty in the size Of animals Of
he same species.
Professor Hall stated that what Dr. Gould had said in
regard TO Southern and Western men being tai, re
hin Of tie fact that the difference in the hight Of men
40 these sections presented the following singular state OF
ines That the Western longer IN the body while
hose Of the South had the longest legs tLaughter
Professor Gya Of Bengal, N. Y then presented paper
evidences Of glacial action IN New York
Hssaid:
observation embraces the central portion OF Datehess
County the southern part Of Westeheer aud Manhattan Is
In central Dutehess the hard slate exhibits extensively
surface parallel growing and scratching ueDdng south
Every mass Of rock without exception. which have no
seed which has suffered superficial disinegaton and
which such position have been exposed 10 the ac
ION 81 the moving ice aud inbedded stones EXHIBITS dsnc
parallel mafkDgs
In southern Wcstchester and on Hew.York Island, the
groupings and roandngs Of the Gnes rock Is familiar 10 all
biologists who have had opportunity to observe IT.
The Central Park promises In several localities the means
demonstration TO the young student these wonderful effects
dthe great ice mass.
The tops ofthe Palisades also exhibit growing and shap
nR effects Of the moving ice.
Such effects the scratching growing, polishing and
pounding more to be seen, a. he himself bad no.
Led on all fixed rocky In whatever position TO
say and elevation which be expected 10 exhibit them
from the observations OF others 10 settled that similar
fleets are universal In North America within certain lat
sades and also on the eastern continent a. ar a. %
Euocb in the Valley OF the Mississippi Ire aes "bch Ut
Eswberry reported may be epitomised al follows;
Fbsi Throughout the northern part Oh tnc vsey o. he
Aissspp and in Lake Basin whenever the superficial
ateria removed the surface Of tho underlying rock pro
sscted from atmospheric Influences Is ounu 10 DC paneu
iown smooth strated and furrowed Ia poeu
md evidently by great cause.
The burrows spoken of sometimes loot OF more IN
ieptb and continuous for long distances; are eiesaeu
serea as wei as horizontal snrseesi are p
suoLg themselves varying in direction win the topography
Of country the Islands in Lake Erie, having Tue Sec
lion Of the major axis OF the lake -.
Geond The valleys Of the streams in this region at
The ime the general surface paned and Iurowed we're
,1cayated depth sometimes great as lJJ eet Oeio"
their present ftrean-beds. -
7A1d Lying the paned and grooyed surface o. the
rocLs and partially filing the erOded valleys what are
SHOWN % tie diff deposits consisting o. FIRST and lowest
blue srstfed cays with trunks and fragments Of coEeros
wood second yellow sands Gays ahq sasel SSeufaey
tune rocks brought om the far noThese latter Oen IN
Vrups and lying surface Of the gronDd fourth IN
Iw oeaes The inferior 81 the gasp area ana " many