ADVANCED BIOLOGY 



BY 

 FRANK M. WHEAT 



Chairman, Department of Biology, 

 George Washington High School, New York 

 Instructor in Biology, New York University 



AND 



ELIZABETH T. FITZPATRICK 



Chairman, Department of Health, Education, 

 George Washington High School, New York 



NOV t 1929 



AMERICAN BOOK COMPANY 



NEW YORK CINCINNATI CHICAGO 



BOSTON ATLANTA 



