SECTION OF PALEOZOIC STRATA 347 



Thickness 

 in feet 

 Strophomena cf. fluctuosa. 



Strophomena sp. 



Rhynchotrema near capax. 



Byssonychia cf. tenuistriata. 



Tetranota sp. 



Hormotoma cf. gracilis. 



Maclurea aff. cuneata. 



Trochonema sp. 



Coniilaria sp. 



Bumastus sp. 

 A gap in exposure 

 Mohawkian series 



Nelson River limestone — about 68 feet 



4. Limestone, gray, weathering into irregular layers 1 to 2 

 inches thick ; exposed 1 to 2 miles below the Upper Lime- 

 stone Rapids ; containing the fossils listed below : 15 



Receptaculites oweni. 



Galapcecia aff. canadensis. 



Halysites gracilis. 



Halysites sp. 



Hormotoma winnipegensis. 



Maclurina sp. 



Trochonema sp. 



Gyrtoceras cf. manitohense. 



Oncoccras (?) sp. 

 3. Dolomite and limestone, gray, mottled with brown fucoidal 

 areas, in layers 12 to 30 inches thick; exposed at the 

 Upper Limestone Rapids ; containing the fossils : 25 



Receptaculites oweni. 



Streptelasma sp. 



Galapcecia cf. canadensis. 



Golumnaria calacina. 



Golmnnaria (Paleophyllum) stoTcesi. 



Halysites gracilis. 



Strophomena sp. 



Dalmanella testudinaria var. 



Hehertella aff. hellarugosa. 



Hormotoma winnipegensis. 



Maclurina cf. manitohense. 



Maclurina sp. 



Trochonema sp. 



Endoceras cf. proteiforme. 



Gyrtoceros cf. manitohense. 



Poterioceros sp. 



Bumastus sp. 

 2. Limestone and dolomite, gray, mottled, in rather thin 

 layers; exposed about 2 miles above the Upper Lime- 

 stone Rapids ; containing the following fossils : 12 



Receptaculites oweni. 



