LABORATORY PROBLEMS 



IN 



CIVIC BIOLOGY 



BY 



GEORGE WILLIAM HUNTER, A.M. 



HEAD 01 T1IK DEl'AUTMENT OF BIOLOGY, DE WITT CLINTON* 



HIGH SCHOOL, CITY OF NEW YORK 



AUTHOR (iF "ELEMENTS OF BIOLOGY," "ESSENTIALS OF 

 BIOLOGY," "A CIVIC BIOLOGY," ETC. 



AMERICAN BOOK COMPANY 



NEW YORK CINCINNATI CHICAGO 



