ELEMENTARY BIOLOGY 



PLANT, ANIMAL, HUMAN 



BY 

 JAMES EDWARD PEABODY, A.M. 



HEAD OF THE DEPARTMENT OF BIOLOGY, MORRIS HIGH SCHOOL 

 . BRONX, NEW YORK CITY, AUTHOR OF " STUDIES IN PHYSI- 

 OLOGY " AND "LABORATORY EXERCISES IN ANATOMY 

 AND PHYSIOLOGY" 



AND 



ARTHUR ELLSWORTH HUNT, Pn.B. 



HEAD OF THE DEPARTMENT OF BIOLOGY, MANUAL TRAINING 

 HIGH SCHOOL, BROOKLYN, NEW YORK CITY 



" The wild life of to-day is not wholly ours to dispose 

 of as we please. It has been given to us in trust. We 

 must account for it to those who come after us and 

 audit our records." HORNADAY. 



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THE MACMILLAN COMPANY 

 1921 



All rights reserved 



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