FISHES OF PUGET SOUND. 853 



4. Ptychocheilus oregonensis (Richardson). "Squaw- 

 fish." 



D.g}4' A.8j4. Head 3 J^ in body; eye 4>^ in head; 

 teeth 2, 4-5, 2; scales 12-74-9; caudal peduncle 3 in 

 length of head; lateral line slightly decurved. 



Thirty-three specimens, 2 to 9 inches in length, were 

 taken in Lake Washington, July 14; 71 specimens of 

 young were taken in Green Lake, July 24. This species 

 was by far the most abundant fish in the lakes. 



5. Leuciscus balteatus Richardson. 



D. 10. A. 18. Head 4^ ; depth 3^ ; eye 2j4 in head; 

 teeth 2, 5-4, 2; scales 13-60-3; caudal peduncle 2% in 

 length of head. 



About 50 specimens, 2 to 4^ inches in length, were 

 taken in Green Lake, July 29. Three of the larger of 

 these had a bright rosy band extending along the sides 

 from the head back as far as the vent. These three 

 specimens were opened, and proved to be females filled 

 with eggs. No males showed the rosy color. About 60 

 small specimens were taken in Lake Washington, July 27. 

 They showed no perceptible variation from those in Green 

 Lake. A very abundant species. 



6. Salmo mykiss Walbaum. " Cut-throat Trout." 

 Two specimens, 9 inches in length, were taken with 



hook and line in Lake Washington, July 14. Very com- 

 mon. 



7. Oncorhynchus nerka (Walbaum). Salmon. 



Six large specimens taken November 7, 1892, and two 

 taken June 30, 1895, in Lake Washington. Those taken 

 June 30 were more silvery in color than the ones taken 

 November 7, the latter being quite dark. A very abund- 

 ant species. 



