an ’ 
SCIENCE AND ARTS. 
CONDUCTED BY 
PROFESSORS B. SILLIMAN, B. SILLIMAN, Jn, 
é ann 
JAMES D. DANA, 
ie. corned wea 
“PROF. ASA GRAY, or CAMBRIDGE, 
PROF. LOUIS AGASSIZ, or CAMBRIDGE, 
DR. WOLCOTT GIBBS, or NEW YORK. 
“SECOND SERIES. 
58. SyULY. 1855, 
* my 
WITH A PLATE 
