PROCEEDINGS OF THE CENTENARY MEETING. xlix 



Samuel N. Rhoads, 



Delaware Valley Ornithological Club. 

 Theodore W. Richards, A.M., LL.D., 



The University of Oxford. 

 J. T. Rorer, Ph.D., 



Colorado College. 

 Abbott Lawrence Rotch, A.M., 



The Boston Society of Natural History, 



The Appalachian Mountain Club of Boston, 



American Academy of Arts and Sciences. 

 John G. Rothermel, 



The Wagner Free Institute of Science. 

 William E. Safford, 



The Botanical Society of Washington. 

 L. E. Sayre, 



The Kansas Academy of Sciences. 

 H. L. Schantz, M.D., 



The American Microscopical Society. 

 Charles Schuchert, A.M., 



The Yale University Museum, 



The Connecticut Academy of Sciences. 

 William Berryman Scott, LL.D., Ph.D., Sc.D., 



Princeton University, 



The Geological Society of London. 

 Isaac Sharpless, Sc.D., LL.D., 



Haverford College. 

 Henry Skinner, M.D., Sc.D., 



Magyar Nemzeti Museum. 

 Alexander Smith, Ph.D., 



The Chemical Society of London. 

 Allen J. Smith, A.M., M.D., 



The Philadelphia Pathological Society. 

 Edgar Fahs Smith, LL.D., Ph.D., 



The University of Pennsylvania. 

 Leonard Stejneger, 



United States National Museum, 



Videnskab Selskabet i Kristiania. 

 Nettie M. Stevens, A.M., 



Leland Stanford Junior University. 

 J. J. Stevenson, A.M., LL.D., 



The Geological Society of America. 

 George B. Sud worth, 



The United States Forest Service. 



3* JOURN. ACAD. NAT. SCI. PHILA., VOL. XV. 



