188 Professor Marsh’s Monograph of the Dinocerata. 
. 
Le 
Figure 17. pare = Dinoceras mivrabile, poppe ee size. a, side view; 
p view; c, antero-posterior 
Figuge 18.— Upper canine of Dinoceras laticeps, Marsh; (male). 
FIGURE 19.—Upper canine of Dinoceras laticeps (female ). Both figure 
one-fourth natural size. a, lateral view, showing outer ede 
b, inner surface; b’ b’’, sections; ¢, front view. 
