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 tivo years .—Charles P. Penrose, M.D., LL.D., Ph.D., Charles 
Morris, Win. 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 Wee-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 Archaeology .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., 
Edwdn S. Dixon, Walter Horstmann, and the Treasurer. 
