CAMBRIAN CORDILLERAN SECTIONS — WALCOTT 213 



MOUNT WHYTE FORMATION (continued): 



I& (continued) : Feet 



In the Mount Stephen section the following species occur at a 

 horizon near the top of this limestone : 



Nisusia (Jamesella) lowi Walcott [igoSd, p. 98]. 



Stenotheca elongata Walcott [1884, p. 23], var. 



Scenella varians Walcott [1886, p. 127]. 



Platyceras, new species. 



Hyolithes billingsi Walcott [1886, p. 134]. 



Ptychoparia sp. 



Crepiceplialus, new species. 



Protypus, new species. 



Albertella, sp. undt. 



About so feet down in the Mount Stephen section in a gray, 

 siliceous shale the following species occur : 



Cystid plates. 



Micromitra (Paterina) , sp. undt. 



Acrotreta sagittalis taconica (Walcott) [1887, p. 189]. 



Nisusia (Jamesella) lozvi Walcott [1908J, p. 98]. 



Hyolithes ( fragment) . 



Hyolithellus cf. micans Billings [1872, p. 215]. 



Scenella varians Walcott [1886, p. 127]. 



Olenellus (fragments of thoracic segments). 



ic. Massive layers made up of banded bluish gray limestone and 



sandstone in layers one-half inch to 2 inches thick 60 



Fauna: 

 Agraulos, sp. undt. 



Total of 1 224 



On Mount Stephen, at a horizon near the top of this bed of 

 limestone, there was found : 

 Acrothele colleni, new species. 



Acrotreta sagittalis taconica (Walcott) [1887, p. 189]. 

 Scenella varians Walcott [1886, p. 127]. 

 Stenotheca elongata Walcott [1884, p. 23], var. 

 Albertella, sp. undt. 

 Olenellus (fragments). 

 Bathyuriscus, sp. undt. 



Near the base on Mount Stephen : 



Micromitra (Paterina) labradorica (Billings) [1861, p. 



6], var. 

 Micromitra (Iphidella) pannula (White) [1874, p. 6]. 

 Acrotreta sagittalis taconica (Walcott) [1887, p. 189]. 

 Bornemannia prima, new genus and new species. 

 Ptychoparia, 3 species. 



2. Gray and brownish gray sandstone in thin and massive layers. 31 



4 — w 



