642 



C. L. DAKE 



with the fossihferous horizons here described, and the fact that the 

 Todilto seems to be thickening to the northwest from the type area. 



Fig. 6 — Looking into Capitol Wash, on road between Fruita and Notom, Utah. 

 (M = Moenkopi, S = Shinarump, D = Dolores, W = La Plata [Wingate? or VermiUon 

 Clifif], T = La Plata [Todilto?], N = La Plata [Navajo? or Gray Cliff]). 



Fig. 7. — Dirty Devil Canyon, Fruita, Utah. Slope at base is Dolores, and the 

 cliffs show three divisions of the La Plata. 



Lee' comes to conclusions identical with those of Emery and 

 cites many instances in southern Colorado and northern New 



' W. T. Lee, "Early Mesozoic Physiography of the Southern Rocky Mountains," 

 Smithsonian Misc. Coll., LXIX, No. 4 (1918). 



