Affiliations Courses Research 1941Associate Professor Of ZoologyDuke University1946Professor Of ZoologyDuke University1950Professor Of ZoologyDuke University1959Professor Of ZoologyDuke University1922InstructorDe Pauw University1923AssistantUniversity Of Wisconsin 1922Zoology 1922Student1923Embryology 1923Student 1941[subject unknown]Library Readers1946[subject unknown]Independent1950[subject unknown]Independent1959[subject unknown]Independent
