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 



