[87] FISHERIES OF THE UNITED STATES. 473 



Genus HYPOMESUS Gill. 



76. Hy pomes si §-oiidus (Pallas) Gill. Pond Smelt. 



Osmerus oligodon Kner, Denksckr. Kais. Akad. Wiss. Wien., xxiv, 

 18G5, p. 9, taf. iv, fig. 1. 



Northern Alaska ; Eastern Siberia ; Kaintchatka. 

 This seems to be the smallest of the smelts and is the 

 least known ; ithas not been found at Saint Michael's 

 since Mr. Turner obtained it in May 1877. 

 23973. (E.) Saiut Michael's, Alaska (in poutls). L. M. Turner. 



Genus THALEICHTHYS Girard. 



77. ThaleiclatBiys pacificus (Rich.) Girard. Eulachon; Can- 



dle-fish. 



Pacific coast of North America from Oregon northward 

 to the Gulf of Alaska, in which it extends westward 

 to Katmai on the peninsula of Aliaska; ascending 

 streams in spring in immense schools. 



This is an excellent food-fish ; the manufacture of eula- 

 chon oil is becoming an important industry, though, 

 as yet, little developed. 



27297. Frazer's Biver, British Columbia. Jordan & Gilbert. 



Genus THYMALLUS Cuvier. 



78. Thy mall us tricolor Cope. Michigan Grayling; Montana 



Grayling. 



Thymallus montqnus Milner, Rept. U. S. Comrn. Fish., for 1872-1873 

 (1874), p. 741. 



Streams of the southern peninsula of Michigan and 

 thence westward to the headwaters of the Missouri. 



11087. Au Sable Biver, Michigan. J. W. Milner. 

 Genus COEEGQNUS Linne. 

 Subgenus Prosopium Milner. 



79. Coregomi§ wiflliajansonii Girard. Eocky Mountain 



White-fish; Chief Mountain White-fish. 



Coregonus couesii Milker, Bept. U. S. Comm. Fish, for 1872-1873 (1874), 

 p. 88. 



Clear streams and lakes from the Eocky Mountains to 

 the Pacific, northward to Oregon; found also in trib- 

 utaries of the Saskatchewan and of the upper Mis- 

 souri. 



This is an abundant and valuable food-fish. 



30305. Garrison Creek, Washington Territory, May 9, 1881. Capt. 

 Chas. Bendire, U. S. A. 



