THE NEW YORK ACADEMY OF SCIENCES 



(Lyceum of Natural History, 1817-1876) 



Officers, 1917 



President — Michael Idvorsky Pupin, Columbia University 

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



, Douglas W. Johnson, Hermann von "W. Schulte 

 Corresponding Secretary-^'H.BN'RY E. Crampton, American Museum 

 Recording Secretary — Ealph W. Tower, American Museum 

 Treasurer — Henry J. Cochran, Bankers' Trust Co., 5th Avenue and 



42d Street 

 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 

 Secretary — ^Victor E. Levine, 70 Jefferson Street 



SECTION OF BIOLOGY 



Chairman — Hermann von W. Schulte, College of Physicians and 



Surgeons 

 Secretary — William K. Gregory, American Museum 



SECTION OF GEOLOGY AND MINERALOGY 



Chairman — Douglas W. Johnson, Columbia University 

 Secretary — Chester A. Reeds, American Museum 



SECTION OF ANTHROPOLOGY AND PSYCHOLOGY 



Chairman — J. McKeen Cattell, Columbia University 

 Secretary — Robert H. 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 Street and Central Park, West. 



