l80 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 75 



PAGE 



Bow Lake section 324 



Middle Cambrian 325 



Cathedral formation 325 



Ptarmigan formation •. 325 



Lower Cambrian 325 



Mount Whyte formation 325 



St. Piran formation 326 



Clearwater Canyon area 320 



Clearwater Canyon section 32/ 



Devonian • • • ^-^ 



Pipestone formation ( Upper Devonian) Z^l 



Messines formation (Middle Devonian) 328 



Mount Wilson quartzite 329 



Canadian 3^9 



Sarbach formation 329 



Ozarkian 33 1 



Mons formation ZZ^ 



LIpper Cambrian 332 



Lyell formation ZZ- 



Sullivan formation Z2)2 



Siffleur River section ZZZ 



Upper Cambrian 334 



Lyell formation 334 



Sullivan formation 335 



Arctomys formation 335 



Middle Cambrian 336 



Murcliison formation 336 



Cathedral formation 336 



Ptarmigan formation 337 



Lower Cambrian 337 



Mount Whyte formation ZZl 



St. Piran formation ZZl 



Glacier Lake area Z'^ 



Devonian (Middle) 339 



Messines formation 339 



Canadian 340 



Sarbach formation 340 



Ozarkian 34° 



Mons formation 340 



L^pper Cambrian 342 



Sabine formation 342 



Lyell formation 342 



Sullivan formation 343 



Arctomys formation 34" 



Middle Cambrian 348 



Murchison formation 348 



Beaverfoot-Brisco Range 348 



Robson Peak area 34° 



Note on the stratigraphic section 352 



