NATURAL HISTORY. 



FOB THE USE OF SCHOOLS AND FAMILIES 



WORTHINGTON HOOKER, M.D., 



>ROFESSOR OF THE THEORY AND PRACTICE OF MEDICINE IN TALB COLLEGE, 



VDXHOB o* "HUMAN PHYSIOLOGY," "CHILD'S BOOK OF NATOBK," 

 BIO., sxa 



neatlp 300 Bngrab(ng. 



NEW YORK : CINCINNATI : CHICAGO 

 AMERICAN BOOK COMPANY 



