BIOLOGICAL DEPARTMENT, 
OF THE 
ACADEMY OF NATURAL SCIENCES 
OF PHILADELPHIA. 
Hall of the Academy of Natural Sciences. ] 
April 27th, 1858. | 
In compliance with Art. XVIII, of the 13th chapter of the By-Laws 
of the Academy, the following Summary of the Proceedings of the 
Biological Department, for the present month, is respectfully submitted: 
The organization of the Department was completed April 5th, by the election 
of the following Officers and Committees. 
Director. — Jos. Leidy, M. D. 
Vice Director. — Wm. A. Hammond, M. D. 
Recorder. — Henry Hartshorne, M. D. 
Conservator.—^. Cheston Morris, M. D. 
Treasurer. — Jas. W. Queen. 
Auditors.—B. H. Coaies, M. D., Geo. Spackman, M. D., and J. H. Slack. 
Committee on Anatomy and Histology.— -ias. Leidy, M. D., T. G. Richardson 
M. D., H. D. Schmidt. 
On Physiology. — F. G. Smith, M. D,, J. Aitken Meigs, M. D S W 
Mitchell, M. D. ^ ■ 
On Pathology and Pathological Anatomy. — E. Hartshorne, M. D., J. J. Wood- 
ward, M. D., Emil Fischer, M. D. 
On Organic Chemistry. — W. A. Hammond, M. D., B. Howard Rand M D 
F. G. Smith, M. D. ' " " 
On Micrology .—Z . Cheston Morris, M. D., Edward Minturn, M. D., Edward 
Tilghman. 
On Embryology and Teratology. — Walter F. Atlee, M. D., J. M. Corse, M D 
C. Stewart Wurts, M. D. 
On Etiology and Hygiene.—Eenvj Hartshorne, M. D., G. R. Morehouse M I> 
Alex. Wilcocks, M. D. ' • ■ 
The following is a Catalogue of the Specimens and Books donated to the 
Department by the Philadelphia Biological Society : 
Specimens. — 1. Model of a foot of a Chinese lady ; from Dr. Hammond. 
2. Peracephalous foetus ; from Dr. W. F. Atlee. 
4. OEolus ; from Jas. W. Queen. 
5. Human Embryo and Membranes, (2nd month). 
Books and pamphlets. — 1. Medical Statistics of U. S. Army, from 1839 to 1854 
from the War Department. 
2. U. S. Army Meteorological Report ; from the same; through Dr. Hammond. 
3. Byrne on Cholera ; from Dr. Hammond. 
4. Transactions of Am. Med. Association, for 1857; from Dr. Hammond. 
5-8. Smithsonian Reports, for 1854, 5 and 6 ; from the Smithsonian Institute. 
9. Der Harnstoff als maas der Stolfwechsels, Ton T. L. W. BischofF; from Dr 
Hammond. 
1858.] la 
