68 
FOSSIL MAMMAL GALLERY. 
Near by is placed a model of a skeleton of the Dinoceras 
(fig. 42), one of the most remarkable of the many wonderful 
forms of animal life discovered in the Tertiary beds of the 
western portion of the United States of America. This animal 
combines in some respects the characters of a rhinoceros with 
The group to which it belonged became extinct in the Miocent 
period, without leaving any successors. 
Even more aberrant is the Toxodon (fig. 43) of the Pampas q 
S. America, of which a model ol" an entire skeleton is also exhibited 
