157 



80 "Ward, Lester F., The Gingko Tree. 



Science V., 1885, 496. 



81 Richardson, Sir John, Arctic Searcliing Expedition. 



London 1851, pp. 189, 191, 195, 275. 



82 ScHROETER, Carl, Untersuchung iiber Fossile Holzer aus der Artischen Zone. 



Flor. Fobs. Arct., VI, 1880. 



83 Selwyn, a. R. C, Report on Exploration in British Columbia. Geol. Surv. Can., 1875- 



76, 28-95. 



84 Journal and Report on British Columbia. Geol. Surv. Can., 1871-72, 



11-72. 



85 Stanton, T. W., and Hatcher, J. B., Geology and Palsentology of the Judith River beds, 



U. S. Geol. Surv. Bull., 257, 1905. 



86 TYKRELt, J. B., Report on Northern Alberta and adjacent Districts of Aasiniboia and 



Saskatchewan. Geol. Surv. Can., 1887. 



MAPS 



1 Geological Map of the Dominion of Canada, 1901. 



2 Geological Map of a portion of the Southern Interior of British Columbia, 1877. 



3 British Columbia, Kamloops Sheet, 1895. 



