MARIXE BIOLOGICAL LA in >! ATORV. 



B. M. DUGGAR Professor of Plant Physiology. Cornell Uni- 

 versity. 



I. F. LEWIS Professor of Biology, Randolph-Macon 



College. 



LEWIS KNUDSOX Instructor in Plant Physiology. Cornell Uni- 

 versity. 



LIBRARY 



H. McE. KXOWER University of Cincinnati, Librarian. 



CHEMICAL SUPPLIES 



OLIVER S. STRONG College of Physicians and Surgeons, 



Chemist. 



G. M. GRAY Curator of Supply Department. 



THOMAS M. DOUTHART. . Collector in Zoology. 



ARTIIUK \V. TAYLOR Collector in Botany. Salem High School, 



Salem, Mass. 

 JOHN VEEDER Cockswain. 



