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OFFICERS OF THE CLASSES. 
1863. 
CLASS OF MATHEMATICS AND PHYSICS. 
BeEenJAMIN Petrce, Chairman. 
Bens. A. GouLtp, Secretary. 
CLASS OF NATURAL HISTORY. 
BENJAMIN SILLIMAN, Sr., Chairman. 
J. S. Newserry, Secretary. 
1864. 
CLASS OF MATHEMATICS AND PHYSICS. 
BenJaMiIn Perrce, Chairman. 
Bens. A. GouLp, Secretary. 
CLASS OF NATURAL HISTORY. 
Aveustus A. Goutp, Chairman. 
James Hau, Secretary. 
SECTIONS. 
CLASS OF MATHEMATICS AND PHY SICS. 
Section I. Mathematics. 
Witi1aM CHAUVENET. 
BENJAMIN PEIRCE. 
JosepH WINLOCKE. 
J. G. BARNARD. 
H. A. Newron. 
THEODORE STRONG. 
