80 SOCIETY OF NATURALISTS. 



*Ryder, John A., A.M., LL.D. Embryology. 



Special Assistant in Embryology to the U.S. Fish Commis- 

 sion. 



C^.S. National Museum^ Washingto7i^ D. C. 

 *Sargent, Charles S. Botany. 



Professor of Arboriculture, Harvard University, and Direc- 

 tor of the Arnold Arboretum. 



Brookline^ Mass. 

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



Professor of Geology and Pala3ontology, Princeton College. 



Prbiceton., N.J. 

 *ScuDDER, S. H., A.M., S.B. Entomology and Palaeontology. 



Cambridge., Alass. 

 *Sedgwick, William T., Ph.D. Biology. 



Assistant Professor of Biology, Massachusetts Institute of 

 Technology. 



Massachusetts Institute of Technology ., Bosto7t., Mass. 

 Sewall, Henry, B.Sc, Ph.D. Physiology. 



Professor of Physiology, Universit}^ of Michigan. 



A7in Arbor., Michigan. 

 *Shakespeare, E. O., A.m., M.D. Histology. 



Ophthalmic Surgeon and Pathologist to Philadelphia 

 (Charity) Hospital. 



1336 Spruce street., Philadelphia., Penn. 

 Shaler, N. S., A.m., S.D. Palaeontology. 



Professor of Palaeontology, Harvard College, and Director 

 of the State Geological Survey of Kentucky. 



Cambridge., Alass. 

 *Sharp, Benjamin, M.D., Ph.D. Animal Morphology. 



Professor of Invertebrate Zoology, Academy of Natural 

 Sciences of Philadelphia. 



Academy of Natural Sciences., Philadelphia., Pen?i. 

 *Shufeldt, R. W., M.D. Anatomy of Vertebrates. 



Captain, Medical Depaitment, U.S.A. 



Care of Smithsonian Institution., Wasliington., D. C. 

 Smith, Robert Meade, A.M., Ph.D. Physiology. 



Professor of Comparative Physiology, University of Penn- 

 sylvania. 



332 South Twenty-first street., Philadelphia., Penn. 



1 



