T.TST (»!• mi:mi;i;rs. 235 



Ri'.ic iiAK r. ICnwAKi) T., jSI.D. Physiology. 



Pioiessor of Physiology, University of Pennsylvania. 



University of Pciiiisylvaiiia ^ PJiiladclpJiia^ Pciiii. 

 *Rici':, Wii.r.iAM Noiirir, PIi.D., LL.D. (ieology. 



Professor of Geology, Wesleyan Universitv. 



Middlctinv)!^ Conn. 

 *RiLEv, C. v., A.M., Ph.D. Biology. 



Entomologist of the U.S. Department of Agriculture, and 

 Curator of Insects, U.S. National Museum. 



Sniihiirv., Wyofning ave. ^Washington., D.C. 

 *RoTHRocK, J. T., M.D., B.S. Botany. 



Professor of Botany, University of Pennsylvania. 



West C //ester., Chester Co., Penn. 

 *RussELL, Israel C. Geology. 



^. ..S". Geological Survey., Washii/gton, D.C. 

 Ryder. John A., Ph.D. Embryology. 



Professor of Comparative Emliryology, University of Penn- 

 sylvania. 



Philadelphia., Penn. 

 *Sargent, Charles S. Botany. 



Professor of Arboriculture, Ilarvartl University, and Direc- 

 tor of tlie Arnold Arboretum. 



Brookline., Mass. 

 *ScoTT, William B., Ph.D. Animal Morphology. 



Professor of Geologv and PaUeontology, Princeton College. 



Princeton., A". J. 

 *Scudder, S. H., A.m., S.B. Entomology and Palaeontology. 



Pakcontologist, U.S. Geological Survey. 



Cambridge., Mass. 

 *Sedg\vick, William, T., Ph.D. Biology. 



Professor of Biology, Massachusetts Institute of Technology, 

 Chief Biologist of the State Board of Health of Massa- 

 chusetts. 



Alassach/isetts Institute of Technology., Boston., Mass. 

 Sktchell, William A., A.B., Ph.D. Botany. 



Assistant in Biology, Yale University. 

 7^ale University., New Haven., Conn. 



