GILMOKE: the fossil turtles of the UINTA FORMATION 



129 



Locality : South Branch of Red Bkiff Wash, above the well on the road between 

 Bonanza and Kennedj^'s Hole, Uinta Basin, Uinta County, Utah. 



Horizon: Lower portion Horizon B, "Transition Beds" (Peterson), ''in 

 sandstone same as No. 28,"^ Uinta formation. Upper Eocene. 



The carapace, although crushed over toward the left side, shows the shell to be 

 elongated with the median portion high and vaulted. The surface of the shell is 

 smooth. The peripherals behind the inguinal notches are moderately thin with 

 acute edges and with a tendency to flare upward. The sulci are narrow, but 



Fig. 11. Echmateim/s douglassi. Carapace of the tj-pe, C. M. No. 3244. One-fourth natural size. 

 c.s. 1, c.s. 8, costals one and eight; n.2,n. 8, neurals two and eight; sp., suprapygal; sp. 2, second suprapygal. 



deeply impressed. The total length of the carapace in a straight line is about 470 

 mm. Its width is 300 mm., its height at the center is about 186 mm. 



The nuchal scute is wedge-shaped with the narrow end forward. Some of 

 the anterior margin of this bone is missing so its length cannot be given. The 

 posterior end has a greatest width of 22 mm. 



' No. 28 is C. M. catalog No. 3270 and is identified as Echmatemys uintensis Hay. 



