BROWN UNIVERSITY. THE COLVER LECTURES, 1921 



HUMAN LIFE 



AS THE BIOLOGIST SEES IT 



BY 

 VERNON KELLOGG, Sc.D., LL.D. 



SECRETARY, NATIONAL RESEARCH COUNCIL; SOMETIME 

 PROFESSOR IN STANFORD UNIVERSITY 



IS . 3. 2 3 



NEW YORK 



HENRY HOLT AND COMPANY 

 1922 



