AMtRiCAN MUSLUM OF NATURAL HISTORY 



Mammoths and Mastodons 



By 

 W. D. MATTHLW 



THE. AME.RICAN MASTODON 



Model by Charles R. Knight, based upon The Warren Mastodon skeleton 

 in the American Museum of Natural History 



No. 43 OF THE, GUIDL LLAFLLT 5LRIL5.— NOVLMBLR, 1915. 



