THE 
Vie 
AMERICAN JOURNAL 
eee ad 
OF 
SCIENCH AND ARTS. 
EDITORS AND PROPRIET ORS, 
Prorressors JAMES D. DANA anv B. SILLIMAN. 
ASSOCIATE EDITORS, 
Prorgessors ASA GRAY anp WOLCOTT GIBBS, 
_ OF CAMBRIDGE, 
Proressors H. A. NEWTON, S. W. JOHNSON, 
GEO. J. BRUSH anp A. E. VERRILL, 
OF NEW HAVEN, 
Prorrssor EDWARD ©. PICKERING, or Boston. 
THIRD SERIES. 
VOL. VIIL.—[WHOLE NUMBER, CVII.] 
Nos. 37—42. 
JANUARY TO JUNE, 1874. 
WITH EIGHT PLATES. 
NEW HAVEN: EDITORS. 
1874. 
PRINTED BY TUTTLE, MOREHOUSE & TAYLOR, 221 STATE 8T. 
Miss0UR! BOTANICAL 
GARDEN LIBRARY 
