New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1880-08-28

Cox then read paper on oxide Of antimonv and
IIe same was discussed by Professors Sharples and
Hayn's.
Nh, roscopv was treated by c. C. Merriam with
an account OF microscope studies IN Central
Florida. and by William A. Rogers, who spoke
on the errors of few Euglsn. French and American
stage micromcters Samuel Wells spoke 0u thr ap-
rarttus used m photoeraphing microscopic objects
William Halls exhibited aud explained new frecz-
ing mlcrotCme. and ;. y. Gage spoke noon pcrma-
nent microscope preparations OF amphloIan blood
corpu,cios.
n the permanent subsection of Ant4rG-
and A: ;. hckmore read q paper upon
The E;hno.opy OF AREA and illustrated It By
a coiored map, showing the y aces Inhabited by
and adopting the classtcatOns OF Professor Flower
# the ROYAL College OF Surgeons, IN London.
namely: { ucas;an or Mediterranean, Mongoi,
Negro ana Australian. Following ms was an eNc
ceedlngy interesting paper onmyths and 10 kloie 1l
me ltoquois. be EminIe A. omth. William =.
Ho brook then read paper descriptive of the pre-
historic affairs II Whteside, Illinois. and was loi
lowed by u. W. Ross with a theOretlc essay Oh
tue primitive democracy OF the Alps.
Al the session IN the a ternoon, William ferrlil
exl, AIMED III detail the maxlna and mlnira ude,
predicting machine, and Professor 1. \ Young redu
a paper des ripnve of the methods IN
use at the Observatory at Yale College
for the verifcatlon of thermometers and
testing of tmepieces. TINS wa foll' wed by the
rea ing OF paper by John Irowbudge upon heat
ng iron and steel. W. a. Ah'hVnl
gave lecture and experiment for
the direct determination OF the NciOcIIE
OF sound, following which Professor w
4. Rogers gave sketch of the pro-
Qress made al the Observatory at Harvard
College in the de'ermlnat on OF absolute
cOoru.nates of nineteen fundamental stars.
TIE CHEMICAL SECTION.
In the Chemical Section Professor F. W. Clarke
and Helena stalls spoke upon the constitution OF
tarrates OF anrimony and I. Garfield upon the
action of sunlight on glass. Professor Edward
W. Morley then read in succession three
papers, the first being e. few points
construction of an apparatus for the accurate
ANALYSIS IF gases" and the others related 10 oxygen
and nitrogen M atmospheric arr and the causes OF
the frequent uctuat ons I'D the ratio OF OXt gen TO
nitrogen IN ar af different times 1880
he micIo~coVIsts We're entertained by l. {. Hlll,
who shetched on tle board the skeleton OF the
fossil dIuocorefa IN the museum at fTinct-
ton. ~ j.. and gave description oI his
| lnves igati0ns. T. ID. Cone gave the origin ana
succession of fehde and J. ". Pike spoke OF the
| preservation of fossil insect ami pants at Macon
Creek. Z. z. How read paper upon menobranchus
catcrais. Inc ancient mounds IN the vicinity OF
Naples. illinois. were treated by Professor ). g..
Henderson aud illustrated with skulls PIPES,
| copper axes. bone implements and other
articles from inc mounds and the mounds Of Illinois
/ formed the principal topic Of a talk by William
McAdlms. he last paper for tn day was BY
| L. J. FUQuhars0n upon the probaD existence 10
America e the prehistoric practice ~ ueptnnlAS III
the cutting of amulets from the skull.