The present report, which forms Part IV of Vohime I of the "Con- 

 tributions to Canadian Palaeontology," is a memoir "on the Fossils of the 

 Devonian rocks of the islands, shores or immediate vicinity of Lakes 

 Manitoba and Winnipegosis," consisting of 105 pages of text, illustrated 

 by fifteen full page plates. The drawings for these plates were made by 

 Mr. L. M. Lambe, the artist to the Survey, and lithographed by Messrs. 

 Mortimer & Co., of Ottawa. 



In the introductory letter to Part III it was stated that the volume 

 would be concluded with Part IV, but, since the paper " on the fossils 

 of the Hamilton formation of Ontario " was published in Part II, so much 

 new material has been obtained, that it is thought desirable to include in 

 this volume, as Part V, a supplement to that paper. 



ALFRED R. C. SELWYN. 



Geological Survey Department, 



Ottawa, December 15th, 1892. 



