ROUND-FISH. 97 



CHAPTER IV. 



THE ROUND-FISH, HERRINGS, AND VIVIPAROUS FISH. 



THE ROUND-FISH (Coregonus quadrilateralis).- 

 Sp. Ch, : Colour, yellowish-brown, paler on the 

 sides and belly than on the back; scales bright 

 and glittering, each edged with a narrow border 

 of dark-grey ; cheeks, fins, and tail, a deeper tint of 

 the same colour as that on the back ; head one- 

 sixth of the length (without the caudal) ; mouth 

 very small, under-jaw shorter than the upper 

 no teeth perceptible. 



This fish has a very wide geographical range, 

 being found as far north (according to Sir J. 

 Richardson) as the Mackenzie and Copper- 

 mine rivers, 'east of the Rocky Mountains, and 

 latitude 49 N. the western side ; how much 

 farther they range north of 49 1 had no oppor- 

 tunity of judging. 



This handsome and delicious fish, one of the 

 Salmonidce, is most valuable as an article of food 

 to the Indians, west of the Rocky Mountains, 



VOL. I. H 



