NATURE STUDY AND 



LIFE 



CLIFTON F. HODGE, Ph.D. 



Assistant Professor in Clark University. Member of: The A niericaft Physiological. 

 \ Society, Society of A jnerican Naturalists, Massachusetts Forestry Association, 



•■ American Forestry Association, Board of Directors of the 3'fassa- 



) chusetts A udubon Society, A merican Ornithologists' Union 



Eifc IS rCiSiJonBC to tbc order of .!^atute 



W. K. Brooks 



GINN AND COMPANY 



BOSTON • NEW YORK • CHICAGO • LONDON 

 ATLANTA • DALLAS • COLUMBUS • SAN FRANCISCO 



