52 FISH HARVESTING. 



the temperature of the water down to freezino-- 

 point, may send the young salmon-fry into the 

 saltwater at a very early period of its life. ' At 

 three days old he is nearly two grains in weight ; at 

 16 months old he has increased to two ounces, or 

 480 times its first weight ; at 20 months old, after 

 the smolt has been a few months in the sea, it 

 becomes a grilse of 8^ Ibs., having increased 68 

 times in three or four months ; at 2f years old it 

 becomes a salmon of from 12 to 15 Ibs. weight, 

 after which its increased rate of growth has not 

 been ascertained; but by the time it becomes 30 Ibs. 

 in weight, it has increased 115,200 times the 

 weight it was at first." * These smolts that I have 

 seen in shoals were about half an ounce in weight, 



O ' 



the produce of the summer's spawning. As I 

 have stated, they disappear when the floods set 

 in ; and nothing more is seen of them until they 

 return salmon of various sizes, from 2 Ibs. to 

 75 Ibs., or, as I believe, the Quinnat and Stzoin. 

 The next salmon in importance, as affording 

 food to the Indians, is called by them at the Kettle 

 Falls cha-cha-lool, and arrives with the quinnat. 

 This is unquestionably a fully-matured fish, 

 and a distinct species, answering in many par- 



* Bucklaud's Manual, ' Salmon Hatching,' page 24. 



