1913.] 
NATURAL SCIENCES OF PHILADELPHIA. 
711 
COUNCIL FOR 1914. 
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., Sc.D., Henry Tucker, M.D. 
To serve three years. —Edwin S. Dixon, Henry Skinner, M.D., Sc.D., 
Robert G. LeConte, M.D., George Spencer Morris. 
To serve two years. —Philip P. Calvert, Ph.D., Thomas Biddle, M.D., 
Frank J. Keeley, Thomas G. Ashton, M.D. 
To serve one year. —Charles B. Penrose, M.D., LL.D., Ph.D., Charles 
Morris, Spencer Trotter, M.D., William E. Hughes, 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 Joseph Willcox. 
Assistant Librarian . .William J. Fox. 
Assistants to Curators . Henry Skinner, M.D., Sc.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 M. McCadden. 
Janitors ...Charles Clappier, 
Daniel Heckler, 
James Tague, 
Jacob Aebley, 
Adam E. Heckler. 
STANDING COMMITTEES. 
Finance.— John Cadwalader, A.M., Edwin S. Dixon, Effingham B. 
Morris, William D. Winsor, and the Treasurer. 
Publications.— Henry Skinner, M.D., Sc.D., Witmer Stone, A.M., 
Henry A. Pilsbry, Sc.D., William S. Fox, Edward J. Nolan, M.D. 
