1915.] 
Matthew and Granger, Lower Eocene Wasatch and Wind River Faunas. 
449 
moderately wide, small conules, no mesostyle, very rudimentary hypocone. Upper 
premolars with large deuterocones on p*4, p? simple. 
The typical species O. carteri is from the Bridger, and other species from 
the same horizon are referred to the genus by Wortman. 
NS { 
mire fil Ais \ i 
COs 
if 7 
ey ? 
Pig. 20, 
Omomys sp., lower jaw, inner, outer and crown views. 
(Middle Eocene), Bridger basin, Wyoming. Front teeth restored from No. 12600. 
Lower Bridger beds 
: am 
HM [EX 
he Ln 
WM << tN 
POSS 
No. 
/204/ 
A. /4. 
Fig. 21: 
Omomys sp.,,upper jaw, outer and crown views. 
Eocene), Bridger basin, Wyoming. 
Upper Bridger beds (Middle 
Omomys minutus (Loomis). 
Notharctus minutus Loomis, 1906, Amer. Journ. Sci., Vol. X XI, p. 283, fig. 6. 
Type, Amherst Mus. No. 365, a lower jaw with mi-s perfectly preserved, and 
roots of p;“4, from Lysite beds, Cottonwood Creek, Wind River basin, Wyoming. 
