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- 

 i 



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 



