ARGUS PTERACLIS. 119 



the beautiful genus of the Salmonidce, composed of 

 the graylings of British Ichthyologists, we have 

 this member more than ordinarily developed. Our 

 next Plate will show this, and, at the same time, 

 exhibit it in a fish which is otherwise near the 

 proportions of me more active species, and those 

 which perform loner iournevg or migrations. 



