1000 Proceedings of Scientific Societies. [ November, 1886. 
Feb. 5.—Professor Cope presented a paper on the structure 
and affinities of Amphiuma. 
A paper from Dr. Hoffman on Indian tribal names, and another, 
by Professor A. S. Packard, on the discovery of thoracic feet ina 
carboniferous Phyllocarida, were presented for publication. 
Dr. Horn exhibited sketches and anatomical details of Chryso- 
bothris. 
Feb. 19.—A paper from Professor S. C. Branner, entitled “The 
glaciation of the Wyoming and Lackawanna valleys,” was pre- 
sented. 
Professor Cope presented a paper on two new species of three- 
toed horses from the Upper Miocene, with notes on the fauna of 
the Ticholeptus beds. 
March 19.—Dr. Brinton presented two papers by Dr. W. S. 
Hoffman, one on the Selish language, and another on the Wait- 
shumni dialect. 
Dr. Horn explained the process among the Piutes of sweeten- 
ing acorn meal by percolation with water, so as to render the 
product edible. : 
Lieut. Wyckoff made a verbal communication on the action of 
heavy vegetable or fish oils in reducing heavy combing waves to 
long swells. 
PHILADELPHIA AcApDEMy oF Naturat Sciences, July 1, 
1886.—Dr. Horn exhibited a pair of a species of beetle the 
female of which had before been unknown. The female never 
passed the larval condition, and had been described as the larva 
of an insect of another family. It is among Coleoptera the only 
known case of a fertile larval female. The female grub is two 
inches long, and its segments emit a green phosphorescence along 
their margins. The specimen had been sent from S. Carolina. 
An allied form occurs in California. 
r. Leidy described a number of parasitic worms from the 
rabbit, meadow-lark, etc., etc. 
r. G. A. Keenig placed on record the identification of Stro- 
-meyerite from Zacatecas. The Mexicans call it “plata azul.” _ It 
consists of one molecule of sulphide of silver to one of sulphide 
of copper. Quartz is the usual gangue of this mineral. 
Aug. 5.—Dr. Horn showed a fragment of the palm Washing- 
_ tonia filifera containing a larva of a beetle (Dinapate) recently 
- esc im. 
= Mr. L. Woolman recorded the discovery by him of a belt of 
_ Oriskany sandstone near Pennsville, Lycoming county, Pa. +. r 
belt is unmarked in the surveys. “The stone was used for build 
_ing, and contained Spirifer arenoides, S. arrectus and Rensellaria 
C. Arthur, of Geneva, New York, presented a paper On oo 
y and biology of the pear blight. 
