ARGUS PTERACLIS. 1 1 9 



the beautiful genus of the Salmonidce^ composed of 

 the grayUngs of British Ichthyologists, we have 

 this member more than ordinarily dereloped. Our 

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

 exhibit it in a fish which is otherwise near the 

 proportions of the more active species, and those 

 which perform long joui'neys or migrations. 



