THE Je hh 
(§7 § 
AMERICAN JOURNAL 
SCIENCE AND ARTS. 
EDITORS, 
JAMES D. anv E. S. DANA, ann B. SILLIMAN. 
ASSOCIATE EDITORS, 
Proressors ASA GRAY, WOLCOTT GIBBS anp 
J. P. COOKE, Jr., or Camprivgesr, 
Proressors H. A. NEWTON, 8S. W. JOHNSON, G. J. BRUSH 
anp A. E. VERRILL, or New Haven, 
Prorressor GEORGE F. BARKER, or PaiiapEputa. 
THIRD SERIES, 
VOL. XVI.—[WHOLE NUMBER, OXVL] 
on Nos. 91—96. 
JULY TO DECEMBER, 1878. 
WITH EIGHTEEN PLATES. 
NEW HAVEN: J. D. & E. S. DANA. 
1878. 
Misg90URI BOTANICAL 
ARDEN LIBRARY 
