

JADEMY OF S( 



(Lyceum of Natural History, 1817-1876) 



Officers, 1920 



President — Edward L. Thorndike 



Vice-Presidents — William J. Gies, Charles L. Bristol, 



Isaiah Bowman, Eobert S. Wood worth 

 Corresponding Secretary — Henry E. Crampton 

 Recording Secretary — Ralph W. Tower 

 Treasurer — John Tatlock 

 Librarian — Ealph W. Tower 

 Editor — Ealph W. Tower 



SECTION OF ASTRONOMY, PHYSICS AND CHEMISTRY 



Chairman — William J. Gies 

 Secretary — Walter H. Eddy 



SECTION OF BIOLOGY 



Chairman — Charles L. Bristol 

 Secretary — Eobert C. Murphy 



SECTION OF GEOLOGY AND MINERALOGY 



Ch a irman — Isaiah Bowman 

 Secretary — Charles C. Mook 



SECTION OF ANTHROPOLOGY AND PSYCHOLOGY 



Chairman — Eobert S. Woodworth 

 Secretary — Eobert H. Lowie 



The sessions of the Academy are held on Monday evenings at 8:1J 

 o'clock from October to May, inclusive, at The American Museum oi 

 Natural History, 77th Street and Central Park, West. 



