107. COTTID^E COTTUS. 705 



rather slender. Head long, tapering forward; mouth large, the max- 

 illary reaching to below posterior margin of eye; eye moderate, 4 in. 

 head; bones of head below eye cavernous, as in Triglopsis thompsoni, 

 but less so; preopercle with 2 long, diverging spines, the upper and 

 longer not quite reaching opercular margin; opercular and scapular 

 spines quite short; a rugose spine, sometimes broader and expanded at 

 tip like a cock's comb, above each eye posteriorly, and a similar one on 

 each side of occiput. Males with irregular series of round, rough, wart- 

 like scales above the lateral line; these wanting in the female; lateral 

 line chain-like, with small imbedded plates; head naked. Frst dorsal 

 convex, of slender spines, well separated from second, which is rather 

 high, the -longest ray 1 in head; pectorals reaching anal; veutrals 

 moderate. A moderate slit behind last gill. D. VIII-14; A. 13; cceca 

 7; vert. 40; Lat. 1. 45. Greenland to the Baltic Sea. 



(Cottus quaclricornis L. Syst. Nat.: Cottus quadricornis Giiutlier, ii, 166: Oncocottus 

 qnadricornis Gill: Cottus hexacornis Rich. Franklin's Jouru. 726: Coitus hexacontis Giiu- 

 tlier, ii, 166; Day, Fish. Gt. Brit. 1880, 53.) 



1O. C. laMBtaBlfi* Bean. 



Brownish, pale below; sides with a few white blotches; first dorsal 

 with 2 broad oblique dark bands, separated by a pale area; second 

 dorsal with 5 dark bauds; anal with G; pectorals with 4; caudal with 

 3; ventrals pale, with 2 dark areas. Head broad, subtriaugular, much 

 depressed, its greatest depth 2 in its length ; eye 2 in snout, 7 in head, 

 equal to the concave iuterorbital space; surface of head covered with 

 small dermal tubercles; patch of vomerine teeth very large; nasal spines 

 strong; a blunt prominence above each eye, and 2 on the occiput; sev- 

 eral radiating ridges behind eye, as in C. polyacantlioceplialus ; upper 

 preopercular spiue as long as eye; maxillary reaching slightly past 

 eye, 2 in head. Longest dorsal spine about half postorbital part of 

 head; pectorals reaching soft dorsal. A series of rough bony tubercles 

 above lateral line and some small ones below it. A pore behind last 

 gill. Head 2f ; depth 5J. D. X-16; A. 13; Y. I, 3; P. 18; B. 6. 

 Chamisso Island, near Bering's Straits. (Bean.} 



(Beau, Proc. U. S. Nat. Mus. iv, 149, 1881.) 



1O1. C. jack Cuv. &Val. 



Body and pectoral fins spotted with brown ; vertical fins with brown 

 bands. Resembles C. scorpius; the preopercular spines similar, but 

 there are slight granulations instead of tubercles behind the eye and 

 Bull. Nat. Mus. No. 16 45 



