ee ee SE a ere een eee nS a Cree ce SNL eT TT eee are DY es on ee -  Se e e Se Pee, Sa eee 
3 , a sat ea 4 
at é. pie eT eek: 
AMERICAN JOURNAL 
SCIENCE AND ARTS. 
CONDUCTED BY 
‘PROFESSORS B. SILLIMAN, B, SILLIMAN, Jr., 
JAMES D. DANA, 
IN CONNECTION WITH i 
PROF. ASA GRAY, or CAMBRIDGE, 
PROF. LOUIS AGASSIZ, or CAMBRIDGE, 
DR. WOLCOTT GIBBS, or NEW YORK. 
SECOND SERIES. 
VOL. XXXIII.—MAY, 1862. 
NEW HAVEN: EDITORS. 
1862. 
PPP LLL LLL ALD le 
PRINTED BY E. HAYES, 426 CHAPEL ST. 
