24 
Section IV. Mechanics. 
J. H. ALEXANDER. J. EF. FRAZER. 
J. E. Hinegarp. D. H. Magan. 
Farrman Rocers. JOSEPH SAXTON. 
Montcomery C. Metcs. 
And under Art. I., Sect. 6, 
BeEnJAMIN PEIRCE. J. G. BARNARD. 
JOsEPH Henry. F. A. PP. BARNARD, 
Seorion V. Chemistry. 
Wotcorr Gisss. Bens. Sri an, JR. 
Joun Torrey. 
CLASS OF NATURAL HISTORY. 
Section I. Mineralogy and Geology. 
J. P. LEstey. Leo LesQueEREUX. 
James HAtLu. J. S. NEWBERRY. 
J. D. Wuitney, 
And under Art. L, Sect. 6, 
ARNOLD Guyot. 
Section II. Zodlogy. 
Lovts AGAssiz. . James D. Dana. 
Spencer F. Barrp. Aveustus A. GOULD. 
JARED P. KirkKLanp. JoHN L. Le Conte. 
Section II. Botany. 
Grorce ENGELMANN. Asa GRAy, 
And under Art. L, Sect. 6, 
Joun Torrey. Leo LesQueRevx. 
