STAFF 



GEORGE R. La RUE, Ph.D., Assistant Professor of Zoology in the 

 University of Michigan, Director of the Biological Station. 



FRANK SMITH, A.M., Professor of Zoology in the University of 

 Illinois, Professor of Zoology. 



PAUL SMITH WELCH, Ph.D., Assistant Professor of Zoology in 

 the University of Michigan, Assistant Professor of Zoology. 



FRANK CALEB GATES, Ph.D., Acting Assistant Professor of 

 Botany in the University of Michigan, Assistant Professor of 

 Botany. 



JOHN HENRY EHLERS, Ph.D., Instructor in Botany in the Uni- 

 versity of Michigan, Instructor in Botany. 



BERT E. QUICK, Ph.D., Acting Professor of Botany in De Pauw 

 University, Instructor in Botany. 



DAYTON STONER, A.M., Instructor in Zoology in the State Uni- 

 versity of Iozua, Instructor in Zoology. 



CLYDE BRUCE STOUFFER, M.D., Physician to the University 

 of Michigan Health Service, Physician to the Biological Station, 



MARGARET T. GATES, Dean of Women. 



