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432 Proceedings of Scientific Societies. [| April, 1885. 
PROCEEDINGS OF SCIENTIFIC SOCIETIES. 
BrotocicaL Society oF WasHINGToN, Feb. 7.—Communica- 
tions were made by Dr. H. G. Beyer, U. S. N., report on intra- 
cellular digestion and its relations to pathology; by Dr. J. A. 
Ryder, on the probable origin and homologies of the flukes of | 
Cetaceans and Sirenians. 
Feb. 21.—Communications were made by Dr. Theodore Gill, 
on the relative values of different types in paleontology; by Dr. 
H. G. Beyer, U. S. N., on genital apparatus of Lingula; by Mr. 
. L. Wortman, on a method for exhibiting the relationships of 
the bones of the skull; by Mr. Frederick W. True, on the recent 
capture of right whales off Long Island. — 
APPALACHIAN Mountain Crus, Feb. 13.—A lecture on Colo- 
rado, New Mexico, and Utah, illustrated by stereopticon, was 
given by Rev. A. E. Winship. 
Boston Society or Natura. History, Feb. 4.—Mr. Wm. M. 
Davis read a paper on geographic evolution, illustrated by models 
for use in teaching. 
AMERICAN GEOGRAPHICAL Society, Feb. 26.—David Dudley 
Field, delivered a lecture entitled, Nomenclature of cities and 
towns in the United States. 
New York Acapemy oF Sciences, Jan. 19.—The following 
paper was read: Glacial observations in Canada and on the North- 
ern borders of the State of New York, by Dr. A. A. Julien; Prof. 
D. S. Martin exhibited some views and photographs of interesting 
geological scenery. 
Feb. 9.—The following paper was read: Tin deposits in the 
Black Hills of Dakota (illustrated with specimens and photo- 
graphs), by Prof. G. E. Bailey. 
PHILADELPHIA AcaDemMy NATURAL Sciences, Dec. 4.—Profes- 
sor Heilprin gave the result of his examination of fossiliferous 
pebbles from near the East Park reservoir. Most of the fossils 
are barely recognizable as organic remains, but Spirifer perlami- 
losus could be identified. The formation represented by these 
pebbles is the Decker’s Ferry sandstone connecting the Oriskany 
with the Lower Helderberg beds. This deposit extends in a 
south-western direction from about thirteen miles north of the 
Delaware Water gap. The same speaker also showed specimens 
of rock from New York containing particles and masses of ser- 
pentine closely resembling the so-called Hozoon canadense, yet 
with sufficient difference to show clearly that they were form 
by mineral accretion. Professor Heilprin held that these speci- 
_ mens were enough to prove the non-organic nature of 
