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 Positions held. 1911–1915: part time research assistant for Michigan Geological Survey under Professor Grabau; 1912, 1913, research and editorial assistant on the Principles of Stratigraphy; summers of 1912, 1913, assistant and of 1914, instructor in geology, Columbia University Summer School; 1913–1914 visiting lecturer in geology, Adelphi College, Brooklyn, New York; 1914–1916, Curator in Palæontology pro tem, Columbia University.

Membership in Scientific Societies. Phi Beta Kappa; Sigma Xi; New York Academy of Sciences (Associate); American Association for the Advancement of Science; National Geographic Society; Palæontological Society of America.

Papers Previously Published: