1883.] Proceedings of Scientific Societies. 577 
penetration of these parasites and their influence on the vital 
functions.— English Mechanic. 
— Professor J. P. Lesley begins, in Proceedings of the Ameri- 
can Philosophical Society, No. 112, an interesting biographical 
notice of the late Swiss naturalist and geologist, Desor, who at 
one time was so closely identified with American geology and 
zoology during his residence in this country 
PROCEEDINGS OF SCIENTIFIC SOCIETIES. 
BioLocicaL Society oF WasHrinoton, March 30.—Communica- 
tions were made by Mr. Newton P. Scudder on the length of the 
hatching period of the domestic fowl ; by Dr. Thomas Taylor on 
Section cutting and mounting of hard woods; and on a new para- 
site in fowls, of the nature of Trichina. Exhibition of specimens 
included specimens illustrating Accidents to animals, by Mr. F. 
A. Lucas;. The bones of the sea cow (Rhytina), by F. W. True; 
Another jumping seed, Remarks on bee-fly larve and their singu- 
lar habits, A burrowing butterfly larva, by Professor C. V. Riley. 
Professor J. W. Chickering, Jr., on Mount Kataadn ; Professor L. 
F. Ward on hybrid oaks of the District of Columbia. 
Boston Society or Natura History, March 21.—Professor 
S. P. Sharples gave an account of a visit to Turk’s island; and 
Mr. S. Garman made some remarks on fossil horses. 
April 4.—Professor Hyatt discussed the sudden appearance and 
quicker evolution of ancient types of animals; and Dr. M. E. 
adsworth spoke of the Bishopville meteorite. 
New York Acapemy or Sciences, April 2.—The following 
iper was presented: An inquiry into the carbon present in bitu- 
_ minous shales, by Professor John S. Newberry. : 
Appatacntan Mountain Crus, March 14—Mr. R. B. Law- 
Fence read a paper entitled, “ Two weeks in Norway,” illustrated 
by the lantern; Professor E. C. Pickering read a paper on moun- 
tain observatories ; and Mr. A. E. Scott spoke on the exploration 
Of the Twin Mountain range. 
. PRocerpines OF THE PHILADELPHIA ACADEMY OF SCIENCES, 
D eb. 13.—Papers presented: “ On a new Unio from Florida, by 
2 B. ‘A. Wright; “ Catalogue of the Fishes of the Atlantic Coast, 
by Jos. Swain and G. B. Kolb; “Notes on the Birds of West- 
° Moreland county,” by C.H. Townsend. Mr. Townsend called at- 
tention to the albino birds in the collection of the Academy. Dr. 
