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AMERICAN JOURNAL 
SCIENCE AND ARTS. 
~CONDUCTED BY 
PROFESSORS B. SILLIMAN, B. SILLIMAN, Jr, 
AND 
JAMES D. DANA, 
IN CONNECTION WITH 
| PROF. ASA GRAY, or CAMBRIDGE, 
| PROF. LOUIS AGASSIZ, or CAMBRIDGE, 
DR. WOLCOTT GIBBS, or NEW YORK. 
SECOND SERIES. 
VOL. AAV, MAZ.—1858. 
WITH THREE PLATES, 
NEW HAVEN: EDITORS. 
E. HAYES, PRINTER. 
| 
