Affiliations Research 1928Fellow In ZoologyMcgill University1929Research Assistant And Lecturer In ZoologyMcgill University1930[position unknown]Mcgill University1924Associate Professor Of ZoologyUniversity Of Oklahoma 1924Zoology[role unknown]1925Zoology[role unknown]1928[subject unknown][role unknown]1929[subject unknown][role unknown]1930[subject unknown][role unknown]