Tho Third Part, herewith presented, of tlie "Contributions to Cana- 

 dian Pala'ontoliigj', ' consists of an illusti'ated report on all the fossils 

 now in the Musonin of tlie Siirve)' from the Devonian Eocks of the 

 Mackenzie Eiver basin, and especially on those collected lay Mi-. R. CI. 

 McConnoll, in the j^ears 1SS7-90, Ijoth inclusive. „y 



It consists of fifty seven pages of text, illustrated by six full page 

 plates, lithographed by Messrs. Mortimer & Co., of Ottawa, from 

 oi'iginal drawings made by Mr. L. M. Lambe, the artist to the Survey. 



The Fourth and concluding Part, which will consist of a similar 

 report on the Fossils of the Devonian Rocks of Manitoba, is now in 

 coui'se of jireparation. 



ALFRKD E. 0. SKLWYN. 



Geological Sirvk.y Dep.\rt5Ient, 

 Ottawa, ^lay 1st, 1S91. 



