1918.] NATURAL SCIENCES OF PHILADELPHIA. 359 



Committee on Accounts Charles Morris, 



Samuel N. Rhoads, 

 John G. Rothermel, 

 Thomas S. Stewart, M.D., 

 Walter Horstmann. 



COUNCIL FOR 1919. 



Ex-Officio. — John Cadwalader, A.M., LL.D., Edwin G. Conklin, 

 Ph.D., Sc.D., Henry Skinner, M.D., Sc.D., Edward J. Nolan, 

 M.D., Sc.D., J. Percy Moore, Ph.D., George Vaux, Jr., Henry 

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

 M.D., Spencer Trotter, M.D. 



To serve three years, — Philip P. Calvert, Ph.D., Frank J. Keeley, 

 Walter Horstmann, T. Chalkley Palmer. 



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

 Morris, Wm. E. Hughes, M.D., Spencer Trotter (elected Curator). 



To serve one year. — Edwin S. Dixon, Robert G. LeConte, M.D., 

 George Spencer Morris, Henry Skinner, M.D. (elected Vice-Presi- 

 dent) . 



Councillor George Vaux, Jr. 



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



Curator of William S. Vaux Col- 

 lection Frank J. Keeley. 



Assistant Librarian William J. Fox. 



Assistants to Curators Henry Skinner, M.D., Sc.D., 



Stewardson Brown, 

 Edward G. Vanatta, 

 Henry W. Fowler, 

 James A. G. Rehn, 

 Ezra T. Cresson, Jr. 



Aid in Archeology Harriet Newell Wardle. 



Aid in Herbarium Ada Allen. 



Taxidermist David McCadden. 



Janitors Charles Clappier, 



Daniel Hechler, 

 Jacob Aebly, 

 Adam E. Hechler. 



STANDING COMMITTEES, 1919. 



Finance.— Effingham B. Morris, John Cadwalader, A.M., LL.D., 

 Edwin S. Dixon, Walter Horstmann, and the Treasurer. 



