Affiliations Courses Research 1925Assistant In Zoology And Graduate StudentWashington University1926Graduate AssistantWashington University1931Assistant In ZoologyBarnard College1932Lecturer In ZoologyBarnard College1927Graduate AssistantUniversity Of Pittsburgh1928Graduate StudentColumbia University1929Graduate StudentColumbia University 1925Zoology 1925Student1926Physiology 1926Student1927Protozoology 1927Student 1928[subject unknown][role unknown]1929[subject unknown][role unknown]1931[subject unknown]Beginners1932[subject unknown]Beginners
