The present Report is the first of a series of descriptive and illustrated quarto 



memoirs on the Vertebrata of the Tertiary and Cretaceous rocks of the Canadian North 



"West Territory, kindly prepared for the Survey by Professor E. D. Cope of Philadelphia. 



It is exclusively devoted to a consideration of the species from the Lower Miocene deposits 



of the Cypress Hills in the district of Alberta, and consists of twenty-seven pages of letter 

 press, illustrated by fourteen full page lithographic plates. 



Part 2, which will contain illustrated descriptions of the vertebrates of the Laramie 



formation of the North "West Territory, by the same author, is now in course of preparation. 



ALFRED R. C. SELWYN. 

 Geological Survey Department, 



Ottawa, 28th February, 1891. 



