107. COTTID^ COTTUS. 705 



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

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

 head; bones of head below eye cavernous, as in Tyi</Io]>sis ihompsoni^ 

 but less so; preopercle with 2 long, diverging spines, the ui)per 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 posteriori}', 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 i)lates; head naked. Frst dorsal 

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

 high, the longest ray 1§ in head; pectorals reaching anal; ventrals 

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

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



{Coitus qnadricornis L. Syst. Nat.: Cottiis qiiadricornis Giintlier, ii, 166: On'cocottus 

 qnadricoDiis Gill: Cotfns hexacornis Rich. Fraukliu's Journ. 726 : Coitus hexacornis GUu- 

 ther, ii, ICG; Day, Fish. Gt. Brit. 1880, 53.) 



10§©. C. liMBBBBlis 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 bands; anal with G; pectorals with 4; caudal with 

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

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

 equal to the concave interorbital 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. polyacanthocephalus; upper 

 preopercular spine 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 boliind last 

 gill. Head 22; depth 5^. D. X-IG; A. 13; V. I, 3; P. 18; B. G. 

 Chamisso Island, near Bering's Straits. {Bean.) 



(Bean, Proc. U. S. Xat. Mus. iv, 149, 1881.) 

 1081. e.jaok Cnv. &Val. 



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

 bands. Resembles C. HcorpiuH ; the preopercular si)ine3 similar, but 

 there are slight granulations instead of tubercles behind the eye and 

 Bull. Xat. Mus. No. IG 45 



