New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1894-08-21

travelled in the liquid from plate TO the other
Professor Snow Of the University Of Michigan
showed how he had investigated the effect upon
bar OF steel Of placing 1t large mass OF cast
iron heated 10 the boiling point Of water. 1t was
some time before the expanding effect began; the
expansion was greatest after two hours. ana the
bar returned to It's normal length In tWehtv-iou'
hours. When the large mass was introduced al
the freezing temperature of water the CONTRACTING
effect on the bar took place in the same way In
his paper upon lightning flashes Mr. Meade sad
that in the month Of June 1884,. there were lV per-
sons killed by lightning in the United states IL
therefore important to get accurate hno"'-
edge about lightning discharges. especially in reier-
to the length and form Of the pain OF gh'hIs,
TO discover its energy. Mr. Meade sho"eu
photographs which had been taken by lightning
flashes and described the different kinds OF flashes
In his paper Mr.. Roeson Of Cornell University
said that two operations were necessary to produce
the alternating current curve by the ara OF me ne
phonograph hrst record OF me , cur nbonnaSa,b.
second. the record produced in the second opera
ton must be maSnfied by means OF a suitable
multiplying arrangement.
The section ON anthropoogy had papers ., upon
AHeien occupation Of the Mississippi and ld Trad
lions of the Mlcmacs." Stansbury liagar: Inc
c ce H' TTas oP0'
guages;" D. G. Brnon; rincoTporation IN me NO. 800,
With With IL The IN" Swai nF ~ '' f. Go n
Modern and Prehistoric Village Sites In Ohio Com
pared" ". X Moorhead; prehistoric Man in
Nicaragua, John Crawford.
CUSTOMS AND TRADITIONS OF THE MICMACS.
In his paper upon the Micmac Indians Mr.. Hasar
said that the Micmacs possessed a curious system
OF communicating while in the woods. Sticks about
the length of a broomhandle placed in the
ground. A side OF these indicated that
a in picture-writing would be found on
piece of birch bark which was hidden somewhere
y.pr IA N in r.n and or u
stone. MI. IIagar described the game WotAstonk-
Won 1t was Kind Of dice game Of unknown zlsn an,
was played with six bone dice marked on one side
bo nH on ,e T'me hEn we're en- KENT NTH
notehed sticks and other TALES The game was
the promnenSe Of the Uneven nnmbers
etc. The intricate counts Of the game with It's
other associations pointed to It's Southern origin.
The papers before the section in zoology were
a Migration Of Cockroaehes. l." g. Howard;
Notes the Genus Perigo1inus. Sars." Charles
W. Hargitt The Transf?Tr'atl IL Of me Lake
Above-Ground buildings Of the seventeer-Year CT
cada," j. A. !intner; Relation Of Age OF Type
Experiments" Manly Miles. The Struggle for Ex-
istence under Cultivation" l.. II. bailey.
York. in his paper on The Aboye-Groand Buildings
OF the Seventeen Year Cicada docusD said that or
small round hole but in several localities in New
York and New Jersey the pupa had built on the
OF clay. brought up from bcnath. 10 the height Of
from one to three and a half inches in continual
ton OF the underground shaft. These were excep-
tiona. for previous TO this year they had been re-
ported from only two localities in the United States
and only one specimen was known In museums. The
object OF their building. what purpose they served
or why they We're so exceptional. was entirely un-
THE Relation of Age OF Type to Variability called
attention to The wide range In variability OF cult
and quickly that specific types may be lost Va
liability under cultivation must be ascribed TO some
or fexibility doubt intimately associated
with the physiology OF the type The agriculture OF
man was only an extension Of the agriculture Of
nature.
HOW COCKRoACHEs TRAVEL.
In his paper on Migration Of Cockroaches" L.
D. Howard. OF Washington. described extra
ordinary migration OF cro,on bugs or German cock
reaches seen by him the streets OF Washing
on a dark day last summer. He showed that
he migrating army consisted almost entirely OF
female reaches carrying egg-sacs An investiga-
ton Of the circumstances led him TO the conclu-
sion that the observation Indicated a development
Of the true migratory instinct
The sections OF botany and zoology held Joint |
,aper The Limits Of biological Experiments" |
Among other things the speaker pointed out the |
'ussIon which followed Professor Edward cope |
,nter t ha,ans m udd hi nae pgsn
Ms theory Of the ISOLATION Of the germ plasm."
haTg req parep on % srnGse iOr
economic science and statistics listened TO pnpers
aura Osborne Talbot: "A New Plan for Proper
ionai Representation in Legislative, Bodles" Till-
am H. Goodyear; Rate Of Interest IN the United
lar: The Irtish Land Iiiculty- Poultry and
Byron j. HalsteI: The ProvidcntlaI
Junction OF Government" Il, = FernOw; n Mis-
eading Statement Of Greshams Inv" r. T.
'eters.
Mrs. Talbot presented some conclusions drawn
or the establishment Of night schools In Wash
ngton. under the direction Of Mrs. Darwin Il.
ames. when her husband member Of CON
NE urged that Industrial training schools should
e provided for the vagrant children at Wash
In the section on astronomy and mathematics
he only papers yesterday were Sketch OF Zone
Observations at the Naval Observatory" Aaron \.
skinner, and "Gillisss Catalogue OF Southern
stars" Edgar Frisby.
SUBJECTS WITH LONG NAMES
The section on chemistry ended its work yester-
ay. and adjourned for the meeting The papers
cad were: THE l'olymetric Notifications of PRO.
ionic Aldehyde. Parapropionic Adehydc and Meta
ropionic Aldehyde,' W. X. Orndorn: "A New Gas
nd on Field" f. H. $. Bailey: "On the Behavior
Alyi malone, Allyl-acetc and Aethyldene-pro-
ION" John 6. Spencer; "On the Grade OF Ethernar-
Gss IN H eb to the Amopnt Of Inhaea Ether
or the Determination of the Antiquity Of Fossil
Wsdn of hS al M%e ai
on. said that nothing had been found which would
erye as chemical or constituent test Of fossil
nimal bones unless it was nuorIne. Late cx-
eriments had shown that fuorine was more per
stent than any other constituent Of animal bone
Is possible value in cases where undonbtei /
ncient animal bones had been deposited and
uman bones were found associated with them the
uestion being whether the latter were the result
an intrusive burial" Here the test for nuorlne
ould 1ftermine whether the animal and human |
ones were OF the same different geologic age
The section in mechanical science and engineer
~ did not meet yesterday. but Will meet AT . |
m. to-day in Room No. 20 OF the Polytechnic |
institute ~
EXCURSION ABOUT THE HARBOR.
An excursion was made about the harbor yes,er-
ay afternoon by considerable number Of the
sltors in the Union Ferry boat Pierrepont fitted |
for the occasion mes Hamblet was in charge |
nd the party went up the East River as far as
'e Navy Yard, aid then back passing Governor. |
and. Bay Ridge. Fort Hamilton tho Narrows |
ort Wadsworth. Sailors Snug IIarbor and The |
artnold statue. Then the boat sailed M the |
ORTIZ River on the Hoboken side and back IN |
rookyn In the party were Mr. and Mrs j S
Stranahan, Professor Herman lie Roy Fairchid |
rofessor j. W. Spencer, W. Gould I,evison Mrs
j Perry. Mr. and Mrs. William H. Lyon. Mr