THE a 
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AMERICAN JOURNAL 
OF 
SCIENCE AND ARTS. 
coxperres il 
PROFESSORS B. SILLIMAN, B. SILLIMAN, Jr, 
sais 
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. XXVIII.—NOVEMBER, 1859. 
WITH A PLATE AND MAP. 
NEW HAVEN: EDITORS. 
1859. 
B. HAYES, PRINTER. 
