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AMERICAN NATURALIST 
AN ILLUSTRATED MAGAZINE 
OF 
NATURAL HISTORY 
EDITED 
By A. S. PACKARD, JR. 
ASSOCIATE EDITORS 
Pror. G. L. GOODALE, DEPARTMENT OF BOTANY 
Dr. R. H. WARD, DEPARTMENT OF MICROSCOPY 
VOLUME X 
BOSTON 
H. O. HOUGHTON AND COMPANY 
CORNER BEACON AND SOMERSET STREETS 
NEW YORK: HURD AND HOUGHTON 
Che Riversite Press, Cambridge 
76 
MISSOURI FlOoTANICAL’ 
GARDEN LIBRARY 
