792 CALIFORNIA ACADEMY OF SCIENCES. 
years. It is dark in color, with pale flesh and is regarded 
as the poorest of the salmon, although its inferiority to 
the silver salmon is in appearance rather than in taste. 
It is, however, canned in large numbers, and is of eco- 
nomic importance. 
21. Oncorhynchus nerka (Walbaum). SuKKEGH; BLUE- 
BACK SALMON. . 
Abundant, reaching a weight of from 4 to 8 pounds. 
Often landlocked in the lakes. In value intermediate be- 
tween the ‘‘ Tyee’’ and the ‘‘ Skowitz’’ or Silver Salmon. 
The male in the fall is known as ‘‘ red-fish.’’ 
22. Salmo mykiss Walbaum. CutT-THROAT TROUT. 
Found in abundance in salt water in Puget Sound. It 
often reaches 8 or 10 pounds, but specimens weighing 
much more have been taken. 
23. Salmo gairdneri Richardson. STEELHEAD. 
Common near the head of Puget Sound. Considerable 
quantities are taken for the market. It sometimes reaches 
14 to 18 pounds in weight. It is now canned regularly 
with the silver salmon. 
24. Salvelinus malma (Walbaum). DoLity VarpEN 
TROUT. 
Abundant. In Puget Sound it is taken from salt water 
in large numbers. An excellent food fish, reaching in 
salt water a weight of 1: pounds or more. Locally 
known as bull trout or salmon trout. 
Family ARGENTINIDE. 
25. Hypomesus pretiosus (Girard). SurrF SMELT. 
Very common on sandy beaches in Puget Sound. It 
reaches a length of a foot and becomes very fat. Itisa 
food fish of great value. Several specimens obtained. 
A beautiful, symmetrical little fish. 
