SECTIONS 479 



Cf. p. nchraskcnsis (Oweu) R 



Ghonetes granulifer Owen c 



Squamularia perplexa (McCliesney) c 



Composita suhtiUta (Hall) r 



Pseudomonotis iKucni M. & H. r 

 Aviculopecten coloradoensis (Newberry) r 



A. occidentaUs (Sliumard) ? r 



Enphcmus carJjouarius (Cox) r 



f. KAIBAB PLATEAU 



Westward up the East Kaibab monocline and over the Kaibab Plateau 

 the trail rests ii23on the extension of the higher strata exposed in the 

 House Eock Valley section. On the plateau, about 8 miles in an air-line 

 west of the preceding section and about 3 miles south of Jacobs Lake, the 

 following fossils were collected. They come largely from a brownish 

 gray limestone which corresponds to locality 9 of the House Rock Yalley 

 section. A few fossils may have come from light gray limestones 20 

 feet above. 



Lophophi/llum profunduni E. & H. C 



Orthotetes crassus (Meek and Haydeu) r 



Cf. 0. robust us (Hall) r 



0. sp. r 



Derhiia ? crcnuUita Girty r 



McekeUa pyramidaJis Newberry C 



Chonetes granulifer Owen c 



C. cf. variolatus (d'Orbigny) r 



Productus occide)) talis Newberry C 



P. ivesi Newberry c 



P. costatoides Swallow C 



Pustula punctata (Martin) r 



Dielasma bovldens (Morton) r 



Spirifcrina campestris White r 



Aviculopecten coloradoensis (Newberry) r 



A. occidentaUs (Slmmard) . r 



A. sp. R 



g. KAXAB PLATEAU (XORTHEASTEPX) 



The descent to the down-faulted Kanab Plateau was made by Jacobs 

 Canyon. Immediately northwest of the point where this canyon de- 

 bouches upon the lower plateau the following section in the ^Moenkopi was 

 noted in a low hill : 



1. Yellowish limestone with many siliceous concretions. 

 Here were obtained the following fossils : 



