125 (&). CERATIID^ CEEATIAS. 847 



1306. C. pictus Lowe. 



Bright orange above; sides rosy; fins vermilion. Eostral tentacle 

 short, iiedicolhite; muciferous channels, appearing as chain-like roAvs 

 of pits. Head 1^: depth 5i. D. I-ll; A. o; P. 11; V. 4; C. 7. Deep 

 sea; taken at Madeira and off the coast of Rhode Island. 



(Lowe, Traus. Zool. Soc. Loud, iii, 'S-VJ, 134G; Guiither, iii, "^00; Goode, Proc. U. S. 

 Nat. Mus. 1860, 470.) 



Family CXXV (6).— CERATIID.E. 



Head and body compressed. Mouth terminal, more or less oblique. 

 Gill-openings small, in the lower part of the axils. No pseadobranchite. 

 Spinous dorsal represented by one or more tentacles. Pectoral mem- 

 bers not geniculated, with short pseudobrachia and three actinosts. 

 No ventral fins. Fishes of the open seas, usually inhabiting consid- 

 erable dei)ths; about 6 genera and 7 or 8 species known. All are 

 uniform blackish in color. 



(Pediculail, geuus Ceratias, Guuthcr, iii, 205: Ceratikkv Gill, Proc. U. S. Nat. Mus. 

 1878, 21G.) 



a. Month moderate. 



b. Gill-arclies unaiined; gills 2| pairs. 



c. Cleft of mouth nearly vertical; skiu prickly. 



d. Second dorsal spine developed Ceratias, 4(i9. 



dd. Second dorsal spine obsolete Maxcalias, 470. 



cc. Cleft of mouth nearly horizontal; skiu smooth; second dorsal spine developed. 



OxinoDES, 471. 



ib. Gill-arches armed with dentigerous tubercles; gills in | 24^ pairs; skin with 



scattered tubercles; second dorsal spiue obsolete Himantox,ophus, 472. 



469.— CERATIAS Kroyer. 



(Kroyer, Naturhist. Tidsskrift. 2 r:ekke, i, 0:59, 1844: type Ceralias holbiilH Kroyer.) 



Head and body much c()ni[)ressed and elevated, covered with ])rickly 

 skin. Mouth wide, its cleft nearly vertical; teeth in Jaws conic, mov- 

 able, of moderate size; no teeth on vomer or palatines. Gills 2^; gill- 

 arches unarmed. Spinous dorsal reduced to two spines, one on the 

 head, the other on the ba(;k, the basal element of the second spine 

 exserted ; soft dorsal and anal short ; pectorals very short, broad, of 

 about 20 rays. Pyloric coeca 2, small. Skeleton soft, fibrou.s. Green- 

 land. {/.tf>uT'.o<, one that has horns.) 



1307. C hoBBstiiai KWiyer. 



Black. Caudal fin very long, lanceolate, longer than the trunk (ex- 

 clusive of head). Cephalic spine reaching, whien depressed, beyond 



