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CLASS OF NATURAL HISTORY. 
Louis AGassiz, Ohairman. 
Spencer F. Batrp, Secretary. 
SECTIONS. 
CLASS OF MATHEMATICS AND PHYSICS. 
Section I. Mathematics. 
J. G. Barnarp. 
H. A. Newron. 
THEODORE STRONG. 
And under Art. I. Sect. 6, 
Beng. A. Goutp. 
Witir1am CHAUVENET. 
BENJAMIN PEIRCE. 
JOSEPH WINLOCK. 
J. H. C. Corrin. 
Section II. Physics. 
A. D. Bacur. i W. H. C. Bartterr. 
F. A. P. Barnarp. A. A. Humpnrers. 
Josepn Henry. Oapren N. Roop. 
And under Art. L., Sect. 6, f 
Wotcorr Grsss. 
Section III. Astronomy, Geography, and Geodesy. 
STEPHEN ALEXANDER. ALexis CASWELL. 
J. H. C. Corrm. Cuartes H. Davis. 
Arnotp Guyot. Bens. A. GOULD 
Joun Ropeers. 
And under Art. L, Sect. 6, 
Wintiam Cuavuvenet.  Josera WINLOCK. 
Husert A. NewrTon. 
Lewis M. RUTHERFURD. 
