3l8 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 75 



Feet Meters 



Scenella varians Walcott 

 Olenellus canadensis Walcott 



3. Thin-bedded, compact, hard, dark, bluish-gray lime- 



stone, with a little interbedded, gray siliceous shale 

 and a few beds of coarser gray limestone 6 to 10 



inches (15.2 to 25.4 cm.) thick 52 15.9 



Fauna. — (Near the top) (57e) : 



Acrothele collcni Walcott 



Acrotreta sagittalis taconica Walcott 



Scenella varians Walcott 



Stenotheca elongata Walcott var. 



Olenellus (fragments) 



Poliella primus Walcott 

 Fauna. — (Near the base) (58s) : 



Paterina lahradorica (Billings) var. 



Iphidella pannula (White) 



Acrothele clitics Walcott 



Acrotreta sagittalis taconica Walcott 



Scenella varians Walcott 



Helcionella elongata Walcott 



Poliella primus Walcott 



Olenellus canadensis Walcott 



" Ptychoparia," 3 species 



4. Brownish-gray, quartzitic sandstone in layers 2 to 4 



inches (5 to lo.i cm.) thick 32 9.8 



Fauna. — (571) : 



Microdiscus sp. undt. 

 Olenellus (fragments) 

 " Ptychoparia " sp. undt. 

 Bonnia sp. 



5. Gray siliceous shale 102 31. i 



Fauna. — (sjt, sSq) : 



Hyolithes billingsi Walcott 

 Scenella varians Walcott 

 " Ptychoparia " 2 species 

 Kochiella agnesensis (Walcott) 



6. Bluish-black and gray limestone 18 5.5 



Fauna. — ■(35f) : 



Iphidella pannula (White) 

 Acrotreta sagittalis taconica Walcott 

 Kutorgina cingulata Billings 

 Nisusia festinata Billings 

 Hyolithes billingsi Walcott 

 Scenella varians Walcott 

 Agraulos, sp. 

 " Ptychoparia " 3 species 

 Olenellus canadensis Walcott 



Total Mount Whyte 315 96.0 



