1917.] 
NATURAL SCIENCES OF PHILADELPHIA. 
357 
Publication.- —Henry Skinner, M.D., Sc.D., Witmer Stone, A.M., 
Sc.D., Henry A. Pilsbry, Sc.D., William J. Fox, Edward J. 
Nolan, M.D., Sc.D. 
Library -—Henry Tucker, M.D., George Vaux, Jr., Frank J. Iveeley, 
Witmer Stone, A.M., Sc.D., Spencer Trotter, M.D. 
Instruction and Lectures. —Henry Skinner, M.D., Sc.D., Henry 
A. Pilsbry, Sc.D., Charles Morris, James A. G. Rehn, George 
S. Morris. 
ELECTIONS IN 1917. 
The names of the members elected during 1917 will be found on 
pages 1, 31, 82, 149, 206, 339 and 340. 
