NATURE STUDY AND 

 LIFE 



BY 



CLIFTON F. HODGE, Ph.D. 



Assistant Professor i?t Clark University. Meinber of'. The A merican Physiological 

 Society, Society of American Naturalists, Massachusetts Forestry Association, 

 American Forestry Associatio?iy Board of Directors of the Massa- 

 chusetts A udubon Society, A merican Ornithologists^ Union 



Hife i^'rejSponjSe to tfje orber of J^atute 



W. K. Brooks 



GINN & COMPANY 



BOSTON • NEW YORK • CHICAGO • LONDON 



