AMERICAN JOURNAL 
SCIENCE AND ARTS. 
CONDUCTED BY 
Proressors B. SILLIMAN anv JAMES D. DAN A, 
IN CONNECTION WITH 
Proressors ASA GRAY, ann WOLCOTT GIBBS, 
,or CAMBRIDGE, 
AND 
Proressors S. W. JOHNSON, GEO. J. BRUSH, anp 
H. A. NEWTON, or NEW HAVEN. 
SECOND SERIES. 
VOL. XLV.—[WHOLE NUMBER, XCV.1 
Nos. 133, 134, 135. 
JANUARY, MARCH, MAY. 
NEW HAVEN: EDITORS, 
1868. 
Nea ta, 
PRINTED BY TUTTLE, MOREHOUSE & TAYLOR, 221 STATE sr. 
Miss0uR! BOTANICAL 
ARBDEM LiBRARY 
