256 AMERICAN JOURNAL 



3. Finance. 8. Fluviatile Gasteropoda. 



W.S.W. R'uscHENBERGERjCh'n 0. M. Wheatley, Ch'n, 

 W. S. Vaux, 'S- S. Haldeman, 



Joseph Jeanes. Geo. W. Tryon, Jr. 



4. Embryology and Anatomy. 9^ Fluviatile Acephala. 



Jos. Leidy, M.D., Ch'n, j^^^^ j^^^^ Ch'n, 



K i>- ^OPE, ^^Y^ L_ Mactier, 



b. b. Howell, M.D. ^jj^g^ j^_ Wheatley, 



5. Cephalopoda, Pteropoda and 



Brachiopoda, l^- Marine Gasteropoda. 



S. B. Howell, M.D., Ch'n, S. R. Roberts, Ch'n, 

 T. A. Conrad, ' C. F. Parker, 



G. W. Tryon, Jr. John Ford. 



6. Terrestrial Mollusca, (non- 11. Marine Acephala. 



opercuhite. r^ ^ Conrad, Ch'n, 



Geo. W. Tryon, Jr., John S. Phillips, 



Wm. G. Binney, Saml. Lewis, M.D. 



C. F. Parker. ' 



12. Palceontology. 

 <. Terrestrial lUoUusea, (oxyer- ,^ ^ _,, . 



culate ) "P-^- Hayden, M.D., Ch n, 



'^ T. A. Conrad, 



John H. Redfield, Ch'n, -^ j) Qope. 



E. R. Beadle, 

 Wm. L. Mactier, 



13. Lectures and Prizes. 



Joseph Leidy, MD., Ch'n, 



W. S. W. Ruschenberger, M.D., 



Isaac Lea. 



