11 



THE 



PRINCIPAL FORMS 



SKELETON 



AND OF THE 



TEETH. 



...t:^\ 1 , ■ 



PROFESSOR RJ'OWEN, F. R. S., &a, 



AUTHOR OF "odontography;" " LECTURES ON COMPARATIVE ANATOMY ;" " ARCHETYPE OF 



THE skeleton;" "on the nature of limbs;" "history of BRITISH 



FOSSIL MAMMALLl ," ETC. ETC. 



PHILADELPHIA: 



BLANCHAED AND LEA 



1854. 



