706 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY — IV. 



temples; rough scale-like tubercles along the back above the lateral 

 line; first dorsal low. D, VII-15; A. 15. L. 21 inches. Bering's 

 Sea. {Cm. & Val.) 



{Mi/oxocephaliis Steller MSS. in Tiles. M6ra. Acad. Sci. Petersb. iv, 273, 1811 {non- 

 Vinomial) ; Cuv. & Val. iv, 172; Gliutber, ii, 165.) 



10§2. C. axillaris (Gill) Bean. 



Bluish, with whitish spots on trunk and a darker band-like spot below 

 anterior jiortion of second dorsal; abdomen yellowish; region above 

 anal spotted; above this are larger s]iots confluent with the dark color 

 of sides; spinous dorsal with 2 vertical dark bauds; second dOrsal with 

 3 oblique ones; caudal banded; anal spotted; pectoral black at base, 

 with 2 oblique bands; a dark spot on lower axil. Head subrhom- 

 boidal, large, depressed; postorbital crests little developed; preoi^ercle 

 with 2 sim])le spines near the angle, and 2 tubercles below; opercle with 

 a longitudinal rib ending in a spine. Skin smooth, or with scattered 

 tubercles. Gill-membranes forming a fold across the isthmus. D. IX- 

 15; V. I, 3; B. 6. Bering's Strait. {Gill.) 



{BoreocoUiis axillaris Gill, Proc. U. S. Nat. JIus. 18.59, 166.) 



10§3. C. (?) poIaris Sabine. 



Pale, with clusters of minute dark spots. Head compressed; nasal 

 spines present; lower jaw included; preopercle with 4 strong spines; 

 pectoral fins larger than in Uranidca gohio ; lateral line with a series of 

 small tubercles. D. VI to yiir-13; P. 15; V. I, 4; A. 14; C. 14. L. 2 

 inches. North Georgia, British America. {Stover.) Probably not a 

 Cottus. 



(Sabine, Parry's First Voyage, 213; Storer, Syuop. Fisb. N. A. 307.) 



1084. C. (?) platyceplialiis Pallas. 



Olivaceous, much variegated, white below; fins spotted. Head large, 

 much depressed, as broad as the body; lower jaw projecting; teeth on 

 vomer and on palatines (?) ("in area lunata palatio inedii, et utrinque 

 lineari'*). Eyes moderate, near together; vertex flat behind the eyes, 

 with a ridge on each side, in front of which near the orbit, and behind 

 at the nape, are oblong tubercles, each ending in a short spine; preop- 

 ercle with 2 very strong, diverging spines above; opercle with a con- 

 cealed spine; lateral line with concealed, elongate plates; back with 

 rough warts; pectorals large; dorsal spines feeble. H. VII-12; A. 11; 

 C. 10; P. 15; Y. I, 3. L. 12 inches. Kamtschatka. {Pallas.) If this 



