264 



TORGOCH OF LLANBERRIS. 



WELSH CHAr;. 



Salmn Camhrkus, Guxther; Journal of Zoological Society, 



1862, p. 13, pi. 6, but the trivial name 

 since changed to 8. Perisianus, to 

 distinguish this fish from S. Cambricus 

 of Donovan, which is the Sewen. 



This species rarely exceeds a foot in length, and for the 

 table was in high esteem, so that what might be termed a 

 regular fishery was carried on for taking it, by which, says 

 Mr. Hansard, a hundred dozen of them were caught yearly. 

 Since that time the numbers have fallen greatly short, in 

 consequence, as was supposed, of a flow into the lake of the 

 water of a copper mine, which was believed to have destroyed 

 the whole of them. This, however, is a mistake, since they 

 are still obtained in some abundance; and not in this lake 

 only, but also in Llyn Cwyllean, situated in a deep valley on 

 the west side of Snowdon. They come up out of their greater 

 depths in the depth of winter, and when the weather is at 

 the coldest they sport in the shallower water close to the 

 border, but soon again retire to their former haunts. They 

 are taken with a worm, and sometimes are known to rise to 

 a fly. 



The body is compressed and lengthened; length of the 

 head considerably more than one half of the distance from the 

 snout to the line of the origin of the dorsal fin; upper profile 

 of the head not elevated above the margin of the orbit, and 

 is not even slightly ridged, but slightly concave; the median 

 ridge scarcely visible. Snout rather depressed, the lower a 



