THE v2 
> 
OoFr 
SCIENCE AND ARTS. 
CONDUCTED BY 
PROFESSORS B. SILLIMAN, B. SILLIMAN, Jr., 
AND 
. JAMES D. DANA, 
\ y IN CONNECTION WITH 
PROF. ASA GRAY, or CAMBRIDGE,—_- 
PROF. LOUIS AGASSIZ, or CAMBRIDGE, 
DR. WOLCOTT GIBBS, or NEW YORK. 
he 
a 
eee & 
SECOND SERIES. 
: 
3 
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i. 
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ee 
TOL XX1.—MAY, 1856. 
WITH SEVEN PLATES. 
NEW HAVEN: EDITORS. 
2 
_ NEW YORE: G. P. PUTNAM & CO. 
Mu. BOT CARDEN 
