; V 
AMERICAN JOURNAL 
OF 
SCIENCE AND ARTS. 
CONDUCTED BY 
Proressors B. SILLIMAN anv JAMES D. DANA, 
IN CONNECTION WITH 
Proressors ASA GRAY, anv WOLCOTT GIBBS, 
or CAMBRIDGE, 
AND 
Proressors H. A. NEWTON, 8S. W. JOHNSON, 
GEO. J. BRUSH, anv A. E. VERRILL, 
or NEW HAVEN. 
SECOND SERIES. 
VOL. XLVIL—[WHOLE NUMBER, XCVIL] 
Nos. 139, 140, 141. 
JANUARY, MARCH, MAY. 
WITH TWO PLATES. 
NEW HAVEN: EDITORS. 
1869. 
PRINTED BY TUTTLE, MOREHOUSE & TAYLOR, 221 sTATE ST. 
wieeouR! BoTANICAL 
GARDEN LIBRARY 
= 
52 
Sos ~ neon ama 
