THE 



CANADIAN RECORD ^^ 



OF SCIENCE. t LIB RAF 



vol. ii. january, 1886. no. 1. 



Cretaceous Floras of the Northwest. 



By Sir William Dawson. 



The following is a summary of the general conclusion's of 

 a paper on this subject, now in the press in the " Trans- 

 actions of the Royal Society of Canada," and in which a 

 number of new species recently collected by Dr. Gr. M. 

 Dawson, Mr. "Weston, and Mr. Tyrrell, of the Geological 

 Survey, are described and figured. 



GEOLOGICAL RELATIONS OP THE FLORAS. 



In a memoir by the writer in the first volume of the 

 Transactions of the Society will ^e found a table of the 

 Cretaceous formations of the western Northwest Territories 

 of Canada, prepared by Dr. G-. M. Dawson, and giving the 

 geological position of the plants at that time described. 

 The new facts detailed in the paper mentioned require us 

 to intercalate in this table three distinct plant-horizons not 

 previously recognized in the western territories of Canada. 



One of these, the Kootanie series, should probably be 



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