CIVIC BIOLOGY 



A TEXTBOOK OF PROBLEMS, LOCAL AND 



NATIONAL, THAT CAN BE SOLVED 



ONLY BY CIVIC COOPERATION 



T 



BY 



CLIFTON F. HODGE, Pir.D. 



I'UOFESSOR OF SOCIAL BIOLOGY IN THE UNIVERSITY OF OREGON 

 AUTHOR OF "NATURE STLDY AND LIFE" 



AND 



JEAN DAWSOX, Ph.D. 



DEPARTMENT OF SANITATION, BOARD OF HEALTH, CLEVELAND 

 FORMERLY OF MACDONALD COLLEGE, CANADA, AND CLEVELAND NORMAL 

 school; author of "the BIOLOGY OF PHYSA " AND 

 "BOYS AND GIRLS OF GARDEN CITY 



,- *> 



It will teach only such uses of autlioritj (vs 

 are necessary to secure cooperation of several or 

 many people to one end; and the discipline it will 

 advocate will be training in the dev^lopment of 

 cooperative good will. — Char,les W. Eh^ot. 



GINN AND COMPANY 



BOSTON . NEW YORK • CHICAGO • LONDON 

 ATLANTA • DALLAS • COLUMBUS • SAN FRANCISCO 



