PROCEEDINGS OF THE CENTENARY MEETING. li 



Joseph Willcox, 



The Wagner Free Institute of Science. 

 Arthur Willey, A.M., Sc.D., 



The Marine Biological Association of the United Kingdom. 

 Allie W. Williams, M.D., 



The Surgeon-General's Office. 

 Gardner F. Williams, M.A., LL.D., 



The South African Association for the Advancement of Science. 

 Edmund B. Wilson, LL.D., Ph.D., Sc.D., M.D., 



The Society of American Zoologists. 

 William P. Wilson, Sc.D., 



The Philadelphia Commercial Museums. 



