1196 The Amblypoda, (December, 
transverse crests, a process which is consummated in the Dino- 
cerata of the later Bridger epoch (see Fig. 10). 
Of Bathmodon two species are known, B. radians (Fig. 18) 
and B. pachypus (Figs. 14, 15 and 19). The latter is the larger, 
Fic. 15.—Bathmodon pach : a: vtdual figured in Fig. 14 one 
2 y iypus Cope, bones of individual figu > "s Jeft 
pe hat. size. Fig. a, left anii, somewhat distorted, internal view; ‘ 
emur from behind. Original, from Wasatch beds of Wyoming. 
equaling a large ox in dimensions, The crania of these see 
are unfortunately unknown. Both are from the Wasatch beds 
Wyoming. 
Of Ectacodon Cope, but one species, the Z. cinctus, has aes 
