66 SALMONIA. 



Hal. — It is not possible from analogies 

 of this kind to draw certain inferences. 

 Subterraneous cavities and subterranean 

 waters are common in various countries, yet 

 the Proteus Anguinus is only found in two 

 places in Carniola — at Adelsburg and Sittich. 

 As I mentioned before, I have never yet 

 found 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 for- 

 tunate. 



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 

 of this fish is so obscure, and so little under- 

 stood, that I perhaps ought not to venture 

 to give an account of it. But in doing so, 

 you will consider me as rather asking for 



