60 SALMONIA. 



and Loch Melvin, near Ballyshannon. In 

 Loch Con, the party caught many small 

 good trout, that cut red; and in the other I 

 caught a very few trout only, but as many of 

 them were gillaroo or gizzard trout as com- 

 mon trout. 



Poiet. — This must have been an interest- 

 ing kind of fishing. In what does the gilla- 

 roo differ from the trout ? 



Hal. — In appearance very little, except 

 that they have more red spots, and a yellow 

 or golden coloured belly and fins, and are 

 generally a broader and thicker fish ; but in- 

 ternally they have a different organization, 

 possessing a large thick muscular stomach, 

 which has been improperly compared to a 

 fowl's, and which generally contains a quan- 

 tity of small shell fish of three or four kinds : 

 and though in those I caught the stomachs 

 were full of these shell fish, yet they rose 

 greedily at the fly. 



Poiet. — Are they not common trout 

 which have gained the habit of feeding on 

 shell fish? 



Hal. — If so, they have been altered in a 



