852 CALIFORNIA ACADEMY OF SCIENCES. 
flounders. It reaches a length of 2 feet. A few speci 
mens preserved by us. 
140. Microstomus pacificus (Lockington). 
One specimen dredged from deep water in Puget 
Sound. 
141. Pleuronichthys ceenosus Girard. 
Rather common. The specimens taken show a black 
spot on sides and one on tail. It reaches a length of 
about a foot. 
SUPPLEMENTARY. 
List oF FRESH-WATER FisHEes |CoLLECTED IN] oe 
VICINITY OF SEATTLE, WASHINGTON, BY EDWIN C. 
SPARKS; 
BY ALVIN SEALE. 
1. Entosphenus tridentatus (Gairdner). LAmprey. 
Three young specimens about 30 mm. in length were 
taken July 7 in a small stream which flows into Green 
Lake. Lamprey are reported as being very abundant in 
this lake during the spring. Great numbers, not only of 
E.. tridentatus, but also of Lampetra cibarzia, spawn in 
the small stream mentioned above. 
2. Catostomus macrocheilus Girard. 
A few small specimens collected in Green Lake, Seat- 
tle, 4 to 9 inches in length. 
3. Mylocheilus caurinus (Richardson). ‘‘ Cuus.”’ 
D.8. A. 8. Head 434; depth 4%; scales 13—76-9; 
eye 4% in length of head; snout 3%; teeth 1, 5-5, 1. 
Fourteen specimens, 3 to ro inches in length, were taken 
in Lake Washington, July 14. A very common species. 
