(504 PROCEEDINGS OF THE ACADEMY OF [Dec, 



Corresponding Secretary J. Percy Moore, Ph.D. 



Treasurer George Vaux, Jr. 



Librarian Edward J. Nolan, M.D. 



Curators Samuel G. Dixon, M.D., LL.D.. 



Henry A. Pilsbry, Sc.D., 

 Witmer Stone, A.M., 

 Henry Tucker, M.D. 



Councillors to serve three years Charles B. Penrose, A.M., 



LL.D., Ph.D., M.D., 

 Charles Morris, 

 Spencer Trotter, M.D., 

 William E. Hughes, M.D. 



Committee on Accounts Charles Morris, 



Samuel N. Rhoads, 

 John G. Rothermel, 

 Thomas H. Montgomery, Ph.D., 

 Thomas S. Stewart, M.D. 



COUNCIL FOR 1912. 



Ex-Officio.— Samuel G. Dixon, M.D., LL.D., Edwin G. Conklin, 

 A.M., Ph.D., John Cadwalader, Edward J. Nolan, M.D., J. 

 Percy Moore, Ph.D., George Vaux, Jr., Henry A. Pilsbry, 

 Sc.D., Witmer Stone, A.M., Henry Tucker, M.D. 



To serve three years. — Charles B. Penrose, A.M., M.D., LL.D., 

 Ph.D., Charles Morris, Spencer Trotter, M.D., William E. 

 Hughes, M.D. 



To serve two years. — Thomas H. Fenton, M.D., Edwin S. DixOn, 

 Henry Skinner, M.D., Sc.D., Robert G. LeConte, M.D. 



To serve one year. — Philip P. Calvert, Ph.D., Thomas Biddle, M.D., 

 Frederick Prime, A.M., Ph.D., Frank J. Keeley. 



( 'ouncillor < teorge Vaux, Jr. 



( Vkator of Mollusca Henry A. Pilsbry, Sc.D. 



Curator of the William S. Vaux 



Collections Frank J. Keeley. 



Assistant Librarian William J. Fox. 



