E. M. Kindle — Notes on Devonian Faunas. 247 



Although no other fossil was secured by the collector, the 

 occurrence here of this species affords conclusive evidence of 

 the presence at Gull Lake of a Devonian fauna. A. davidsoni 

 is a characteristic species of the Middle and Upper Devonian 

 of Iowa, Michigan and Wisconsin. 



This coral has not been previously reported in western 

 Canada. It will therefore be of interest to note here the pres- 



FlG. l. 



Fig. 1. Devonian limestone at Gull Lake, east of MacKenzie River delta. 

 Photograph by H. W. Jones. 



ence of A. davidsoni in another collection from the MacKen- 

 zie valley obtained at a locality 30 miles Northwest of Hope, 

 which is just inside the Arctic Circle. This collection, which 

 was made by Mr. T. O. Bosworth and presented to the Cana- 

 dian Geological Survey together with other collections from 

 the MacKenzie valley, includes the following species : 



Acervularia davidsoni 



Camarotaechia sp. 

 Atrypa reticularis 

 Newberry a laevis Meek 



Cyrtina panda Meek 

 Mart in ia meristoides. 



This faunule from Northwest of Hope shows an assemblage 

 including several species listed by both Meek* and Whiteavesf 

 from the MacKenzie valley collections of Kennicott and 

 McConnell. Each of these authors considered the MacKenzie 



* Trans. Chicago Academy of Sciences, yol. i, pt. 1, pp. 61-114, pis. 11-15. 

 fCan. Geol. Surv., Contr. to Can. Pal., vol. i, pt. Ill, pp. 197-253, pis. 

 27-32. 



