LABORATORY PROBLEMS 



IN 



CIVIC BIOLOGY 



BY 



GEORGE WILLIAM HUNTER, A.M. 



HEAD OF TUB DEPARTMENT OF BIOLOGY, DE WITT CLINTON 



III&H SCHOOL, CITY OP NEW YORK 



AUTHOR OP "elements OF BIOLOGY," "ESSENTIALS OP 



BIOLOGY," "a civic BIOLOGY," ETC. 



AMERICAN BOOK COMPANY 



NEW YORK CINCINNATI CHICAGO 



