440 EEPORT OF COMMISSIONER OF FISH AND FISHERIES. 



2333. Cottus semiscaber fCope). Bocky Mountain Bullhead. 



Rocky Monutain region in clear streams on both slopes; abundant in Col- 

 orado, northern New Mexico, Wyoming, Montana, Idaho, Utah, eastern 

 Washington, and Oregon. 



Cottopsis semiscabtr Cope, Hayden Surv. Mont., 1871,476, Fort Hall, Idaho, 



2334. Cottus punctulatus (Gill). 



Headwaters of Green River, Wyoming. 



Potavwcottns punctulatus Gill, Proc. Bost. Soc. Nat. Hist., viii, 1861, 40, 

 Bridger Pass, Wyoming. 



2335. Cottus ictalops (Rafinesque). Miller's Thumb; Blob; Muffle-jaw; Bullhead; 



Spring -fiiih. 



Middle and Northern States, east of the Dakotas and Nebraska, southward 

 along the Alleghanies to North Carolina and uorthern Alabama. 



Pegedictis ictalops Rafinesque, Ichth. Ohieusis, 85, 1820, spring near Lexing- 

 ton, Kentucky. 



Subgenus TAURIDEA Jordan & ETerniann. 

 Tauridea Jordan & Evermann, Fishes N. and M. Amer., 1896 {ricei). 



2336. Cottus ricei (Nelson). 



Lake Michigan, near Evauston, Illinois. 



Cottopsis ricei Nelson, Bull. 111. Mus. Nat. Hist., 40, 1876, Lake Michigan at 

 Evanston. 



Subgenus COTTUS (Artedi) Linnaeus. 



2337. Cottus onychus Eigenmann «fc Eigenmanu. 



Saskatchewan Basin. 



Cottus onychus Eigenmann »Sr. Eigenmann, Am. Nat., November, 1892, 963, Bow 



River, at Calgary, a tributary of the South Saskatchewan, Alberta 



Territory. 



2338. Cottus pollicaris (Jordan & Gilbert). 



Lake Michigan. 



Uranidea pollicaris Jordan & Gilbert, Proc. U. S. Nat. Mus. 1882, 222, Lake 

 Michigan, off Racine, Wisconsin. 



2339. Cottus cognatus Richardson. Great Bear Lake Bullhead. 



Great Bear Lake, British America. 



Cottus cognatus Richardson, Fauna Bor.-Amer., iii, 40, 1836, Great Bear Lake. 



2340. Cottus perplexus Gilbert & Evermann. 



Skookumchuck and Newaukum rivers, near Chehalis, Washington. 

 Cottus perplexus Gilbert & Evermann, Bull. IT. S. Fish Com. 1894, 202, pi. 20, 

 fig. 1, Skookumchuck River, near Chehalis, Washington. 



2341. Cottus aleuticus Gilbert. 



Unalaska, in small stream passing through the village of Unalaska ; Depar- 

 ture Bay, Vancouver Island. 



Cottus aleuticus Gilbert, Rept. U. S. Fish Com. 1893 (1896), 418, streams of 

 Unalaska ; also in Departure Bay, Vancouver Island. 



2342. Cottus minutus Pallas. 



Island of Talek, near Tanisk, Sea of Okhotsk. 



Cottus minutus Pallas, Zoogr. Rosso-Asiat., iii, 145, 1811, Talek Island, Sea 

 of Okhotsk. 



2343. Cottus beldingi Eigenmann & Eigenmann. 



Streams of Columbia River basin, south to Lake Lahontan ; abundant east 



of the Cascades and in Lake Tahoe. 

 Cottus bchUngi Eigenmann «fc Eigenmanu, Am. Nat., xxv, 1891, 1132, Lake 



Tahoe. 



2344. Cottus philonips Eigenmann «fe Eigenmann. 



Columbia River l)a8in at Field, British Columbia, and in Idaho. 

 Coitus philonips Eigenmann A Eigenmann, Am. Nat.,xxvi, 1892, 963, Kick- 

 ing Horse River, Field, British Columbia. 



