GILLAROO. 67 



can, however, hardly bring myself to believe, 

 that such a fish is not to be found elsewhere. 

 For lakes with shell-fish and char are com- 

 mon in various parts of Europe ; and as the 

 gillaroo trout is congenerous, it ought to exist 

 both in Scotland and the Alpine countries. 



Hal. — It is not possible from analogies of 

 this kind to draw certain inferences. Subter- 

 raneous cavities and subterranean waters are 

 common in various countries ; yet the Pro- 

 teus Anguinus is only found in two places in 

 Carniola ■ — at Adelsburg and Sittich. As I 

 mentioned before, I have never yet met with 

 a gillaroo trout except in Ireland. It is true, 

 it is only lately that I have had my attention 

 directed to the subject, and other fishermen 

 or naturalists may be more fortunate- 



PoiET. — Have you ever observed any 

 other varieties of the trout kind, which may 

 be considered as, like the gillaroo, forming a 

 distinct species ? 



Hal. — I think the par, samlet, or brand- 

 ling, common to most of our rivers which 

 communicate with the sea, has a claim to be 

 considered a distinct species ; yet the history 

 F 2 



