1919.] NATURAL SCIENCES OF PHILADELPHIA. 315 



The annual election of Officers, Councillors and members of the 

 Committe on Accounts was held December 16th, with the following 

 result : 



President John Cadwalader, A. M., LL.D. 



Vice-Presidents Edwin G. Conklin, Ph.D., Sc.D. 



Henry Skinner, M. D., Sc.D 



Recording Secretary Edward J. Nolan, M, D., Sc.D, 



Corresponding Secretary J. Percy Moore, Ph.D. 



Treasurer George Vaux, Jr. 



Librarian Edward J. Nolan, M. D., Sc.D. 



Curators Witmer Stone, A. M., Sc. D. 



Henry A. Pilsbry, Sc. D. 



Henry Tucker, M. D. 



Spencer Trotter, M. D. 

 Councillors to serve three 



YEARS Edwin S. Dixon. 



Robert G. LeConte, M. D. 



George Spencer Morris. 



George L. Harrison, Jr. 

 Committee on Accounts , . .Charles Morris. 



Samuel N. Rhoads. 



John G. Rothermel. 



Thomas S. Stewart, M. D. 



Walter Horstmann. 



COUNCIL FOR 1920. 



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.- — Edwin S. Dixon, Robert G. LeConte, M. D., 

 George Spencer Morris, George L. Harrison, Jr. 



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

 Walter Horstmann, T. Chalkley Palmer. 



To serve one year. — Charles B. Penrose, M. D., LL. D., Ph. D., 

 Charles Morris, William E. Hughes, M. D., Roswell C. Williams, 

 Jr. 



Councillor " George Vaux, Jr. 



