THE NEW YORK ACADEMY OF SCIENCES 

 (Lyceum of Natural History, 1817—1876) 



Officers, 1917 



President — Michael Idvorsky IV pin, Columbia University 

 Vice-Presidents — Ernest E. Smith, J. McKeen Cattell, 



Douglas "W. Johnson, Hermann yon W. Schultje 

 Corresponding Secretary — Henry E. Crampton, American Museum 

 Recording Secretary — Ralph W. Tower, Ajnerican Museum 

 Treasurer — Henry J. Cochran, 389 Fifth Avenue 

 Librarian — Ralph W. Tower, American Museum 

 Editor — Ralph W. Tower, American Museum 



SECTION OF ASTRONOMY, PHYSICS AND CHEMISTRY 



Chairman— Ernest E. Smith, 50 East 41st Street 



Sir f<t art/ — Victor E. Levine, College of Physicians and Surgeons 



SECTION OF BIOLOGY 



Chairman — HERMANN yon W. Sciiulte, College of Physicians and 



Surgeons 



Secretary — William K. Gregory, American Museum 



SECTION OF GEOLOGY AND MINERALOGY 



Charman — DOUGLAS W. Johnson, Columbia University 

 Secretary -Chester A. Reeds, American Museum 



SECT I ()X OF ANTHROPOLOGY AND PSYCHOLOGY 



Chairman — J. McKeen Cattell, Columbia University 

 retary — ROBERT II. LOWIE, American Museum 



The sessions of the Academy are held on Monday evenings at 8: 15 



o'clock from October to May. inclusive, at the American Museum of 



Natural History. 77th Sireet ami Central Park. West. 



