DETAILED STEATIGKAPHIC DISTRIBUTION 



125 



Detailed stratigraphic distribution of Cambrian and Ordovician Brachiopoda — Continued. 

 British Columbia: Mount Boswoith. 



a During the field season of 1911 these beds were examined by Mr. J. A. Allan and Mr. L. D. Burling, who found, in the uppermost portion, 

 fossils similar to those in 26 of the Sherbrooke limestone. This made it possible to place between the new Sherbrooke and the true Ordovician 

 a series of nearly 4,000 feet of Upper Cambrian shales and limestones referred by Mr. Allan to the Chancellor fnd Ottertail formations, respec- 

 tively. (See Walcott, 1912, Smithsonian Miscellaneous Collections, vol. 57, No. 7, pp. 229-231.) 



