THE 
AMERICAN JOURNAL 
SCIENCE AND ARTS. 
Sonstersn. xt 
PROFESSORS B. SILLIMAN, B. SILLIMAN, Jr, 
sii 
JAMES D. DANA, 
rt comnnorig Wir 
PROF. ASA GRAY, or CAMBRIDGE, 
PROF. LOUIS AGASSIZ, or CAMBRIDGE, 
DR. WOLCOTT GIBBS, or NEW YORK. 
SECOND SERIES. 
VOL. XXVI.—NOVEMBER, 1858. 
WITH A MAP. 
NEW HAVEN: EDITORS. 
E. HAYES, PRINTER. 
“A MitsouRn! BoOTaNnicaL 
GARDEN LIBRARY 
