AMERICAN 



NATURAL HISTORY. 



VOLUME III. 



PART L— MASTOLOGY. 



BY JOHN D. GODMAN, M.D. 



professor or natural history in the franklin institute op pen-it- 



SYLVANIA; ONE OF THE PROFESSORS OF THE PHILADELPHIA MUSEUM; 

 MEMBER OF THE AMERICAN PHILOSOPHICAL SOCIETY; OF THE PHILADEL- 

 PHIA ACADEMY OF NATURAL SCIENCES, &C. 



PHILADELPHIA: 

 CAREY, LEA & CAREY— CHESTNUT STREET. 



1828. 



