107. COTTID^ RHAMPHOCOTTUS. 721 



compressed, the cheeks subvertical; orbital ring much elevated above, 

 with several blunt protuberances beliind; nape much depressed, with 

 the base of the dorsal fin risiu;^ abruptly above it; njouth small; teeth 

 on jaws, vomer, and palatines; proopercle with small bluntish spines 

 above; gill-membranes broadly united to the isthmus; a slit behind 

 fourth gill; brnnchiostegals 0; first dorsal falcate, the spines very flex- 

 ible, the anterior much elevated, much longer than head, the posterior 

 rapidly shortened; second dorsal long and rather high; anal fin similar 

 to second dorsal, but shorter and lower; pectorals moderate; ventrals 

 1, 3, well developed, nearly as long as head. Pacific coast. Small 

 fislies, of singular ai)pcarance. [vo-brriq^ sailor; ixOo:;^ fish; in allusion 

 to the development of the first dorsal tin.) 



1107. N. ocuSofasciatus Grd. 



Grayish above; sides with dark marblings and obscure dusky bands; 

 a very conspicuous black band through the eye and across cheeks ; first 

 dorsal blackish; other fins barred with light and dark; ventrals j)lain. 

 Maxillary reaching to opposite pupil; eye very large, longer than snout; 

 nasal si)ines conspicuous, curved ; maxillary and edge of i)reopercle with 

 minute cirri; orbit with a branched cirrus, as long as pupil; the narrow 

 interorbital space deeply channelled ; supraocular ridge posteriorly with 

 3 blunt tubercles; 2 compressed tubercles on each side of first dorsal; 

 a deep pit at nape, extending under origin of first dorsal; spinous dor- 

 sal smooth; rays of soft dorsal and caudal roughened with prickles; 

 dorsal spines nearly twice length of head; ventrals f length of head, 

 a little shorter than caudal; pectorals long. Head 3i; depth 3f. D. 

 IX-28; A. 19; P. 14; V. I, 3; Lat. 1. 44. L. 6 inches. Pacific coast, 

 San Francisco to Unalashka; chiefly northward. 



{ Blepsias oculofasciatiis Girard, Proc. Acad. Nat. Sci. Phila. 1807, 202; Giiuther, ii, 

 157; Steiudaclincr, Ichth. Beitriige, v, 130.) 



380.— RIf AinPIIOCOTTUS Glinther. 



(Giinther, Ann. Nat. Hist, xiv, 369, 1874: type Bhamphocoitua richardaoni Giinther.) 



Body short, elevated. Head very large, its greatest depth greater 

 than that of the body; skull with 2 strong bony ridges from above the 

 front of the eye, continuous with 2 large occipital ridges, leaving the 

 interorbital space and middle line of the top of the head strongly 

 concave; snout slender, narrow, and abruptly protruding; mouth very 

 narrow, fl-shaped, its gape longer than wide; teeth villiform, none on 

 the vomer or palatines; gill-opening confined to the region above the 

 Bull. J^at. Mus. No. IG 4G 



