*v 



-; 



U7U>2£^ 

 VPAL 



THE 



MASTODON GIGANTEUS 



OF 



NORTH AMERICA. 



BY JOHN C. f AEREN, M. D. 



LATE PROFESSOR OF ANATOMY IN' THE UNIVERSITY AT CAMBRIDGE ; PRESIDENT OF THE BOSTON SOCIETY OF NATURAL HISTORY ; 



MEMBER OF THE AMERICAN PHILOSOPHICAL SOCIETY; OF THE AMERICAN ACADEMY OF ARTS AND SCIENCES; OF THE 



PHILADELPHIA ACADEMY OF NATURAL SCIENCES ; OF THE ACADEMY OF NAPLES, AND MEDICAL SOCIETY 



OF FLORENCE ; HONORARY MEMBER OF THE MEDICO-CHIRURGICAL SOCIETY OF LONDON ; 



CORRESPONDING MEMBER OF THE ACADEMY OF MEDICINE AT PARIS ; 



BOSTON": 



PRINTED BY JOHN WILSON AND SON, 



22, SCHOOL STREET. 



1852. 



