1912.] NATURAL SCIENCES OF PHILADELPHIA. 567 



Committee on Accounts Charles Morris, 



Samuel N. Rhoads, 

 John G. Rothermel, 

 Thomas S. Stewart, M.D., 

 Walter Horstmann. 



COUNCIL FOR 1913. 



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

 Ph.D., John Cadwalader, A.M., 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. — Philip P. Calvert, Ph.D., Thomas Biddle, M.D., 

 Frank J. Keeley, Thomas G. Ashton, M.D. 



To serve two years. — Charles B. Penrose, M.D., LL.D., Ph.D., Charles 

 Morris, Spencer Trotter, M.D., William E. Hughes, M.D. 



To serve one year. — Thomas H. Fenton, M.D., Edwin S. Dixon, 

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



Councillor George Vaux, Jr. 



Curator of Mollusca Henry A. Pilsbry, Sc.D. 



Curator of William S. Vaux Col- 

 lections Frank J. Keeley. 



Custodian of Isaac Lea Collection Jos. Willcox. 



Assistant Librarian William J. Fox. 



Assistants to Curators Henry Skinner, M.D., 



Stewardson Brown, 

 J. Percy Moore, Ph.D., 

 Edward G. Vanatta, 

 Henry W. Fowler, 

 James A. G. Rehn, 

 Ezra T. Cresson, Jr. 



Assistant in Library Furman Sheppard Wilde. 



Aid in Archaeology Harriet Newell Wardle. 



Aid in Herbarium Ada Allen. 



Taxidermist David N. McCadden. 



Janitors Charles Clappier, 



Daniel Heckler, 

 James Tague. 

 Jacob Aebley, 

 Adam E. Heckler. 

 37 



