The Second Part of the " Contributions to Canadian Pateontology " 

 consists of three separate papers, on more or less widely different 

 subjects. 



No. 2 is "on some fossils of the Hamilton Group of Ontario, with a 

 list of the species at present known from that formation and province ;" 

 No. 3 is an enumeration or description, as the case may be, of the 

 fossils of the Triassic Eocks of British Columbia ; while No. 4 is " on 

 some Cretaceous fossils from British Columbia, the North-West Terri- 

 tory and Manitoba." 



Advances copies of the letter press of pages 91-122 were issued in 

 September, 188Y, pages 123-150 were issued in December, 1888, pages 

 181-184 in June, 1889, while the remainder, or pages 185-196, will 

 bear date herewith. 



The Part complete, as now presented, consists of 107 pages of text, 

 illustrated by fifteen full page plates, lithographed by Messrs. Mortimer 

 & Co., of Ottawa, from original drawings made by Mr. L. M. Lambe, 

 the artist to the Survey. 



ALFEED E. C. SELWYN. 



Geological and Natural History Survet Office, 

 Ottawa, Aug. 1, 1889. 



