PROCEEDINGS 



OF THE 



ACADEMY OF NATURAL SCIENCES 



OF 



PHILADELPHIA. 



1912. 



January 2. 

 Philip P. Calvert, Ph.D., in the Chair. 



Nineteen persons present. 



The Council reported the appointment of the following Standing 

 Committees to serve during the year: 



Finance. — John Cadwalader, Edwin S. Dixon, Charles Morris, 

 James D. Winsor, and the Treasurer. 



Library.— Thomas H. Fenton, M.D., Thomas Biddle, M.D., 

 George Vaux, Jr., Henry Tucker, M.D., Frank J. Keeley. 



Publications. — Henry Skinner, M.D., Witmer Stone, A.M., 

 Henry A. Pilsbry, Sc.D., William J. Fox, Edward J. Nolan, M.D. 



Instruction and Lectures. — Henry A. Pilsbry, Sc.D., Charles 

 Morris, Witmer Stone, A.M., Henry Tucker, M.D., George S. Morris. 



Mr. Frank J. Keeley was appointed Curator of the William S. 

 Vaux Collections. 



George Vaux, Jr., waS appointed the Solicitor of the Academy. 



Dr. Henry Leffmann made a communication on recent advances 

 in photography as aids in teaching natural historj-. (No abstract.) 



