Jordan and Evermann. Fishes of North America. 



258. CERATOSCOPELUS, Giinther. 



Ceratoscopehts, G(?NTHER, Cat., v, 405 and 412, 1864, (madeircnxi*). 



Dorsal and anal fins touching the same vertical, but scarcely overlap- 

 ping, the dorsal not greatly elongate. Scales of the lateral line some- 

 what enlarged. Headlong; limb of preoperculum oblique ; snout conical 

 and snake-like. A spine above orbit on each side. No luminous glands 

 on head or tail. Caudal photophores 4. (nepac;, horn ; Sco2Jelus.) 



a. D. 13 or 14; A. 13; eye large; anal series 6 + 6; two posterolateral spots; four caudal spots. 



MADE1RENSI8, 833. 



833. CERATOSCOPELUS MADEIRENSIS (Lowe). 



Head 3 ; depth 4. D. 13 or 14 ; A. 13 ; scales 36. Forehead with a bony 

 projection or horn on each side above eye. Caudal spots 4, the last at base 

 of middle rays ; 2 posterolateral spots ; anal spots about 6 + 6, the series 

 not evenly placed ; supra-anal spots forming an oblique series. Pre- 

 opercle very oblique. Body rather elongate, the head large and heavy ; 

 eye large, twice length of the bluntish snout, 3i in head ; mouth large. 

 Dorsal high, much shorter than anal ; pectoral long and slender, reaching 

 past front of anal. (Liitken.) Atlantic and Mediterranean, west to the 

 Grand Banks, where it is rather common at about 1,500 fathoms. (Eu.) 



Scopelux iiunlcin'nxiii, LOWE, Proc. Zool. Soc. Loud., 1839, 87 ; 1851, 250; and Trans. Zool. Soc. 



Lond., in, 14, 1839, Madeira ; GUNTHER, Cat., v, 412, 1864 ; RAFFAELE, Mitt. Zool. Stat. 



Naples, ix, 184, pi. 7, fig. 9, 1889; LUTKEN, Yid. Med. Naturh. Foren., 208, 1891. 

 Scopelus bonapartii, CUVIER & VALENCIENNES, Hist. Nat. Poiss., xxn, 449, 1848, Nice. 

 Ceratoscopelus madeirensis,* GOODE & BEAN, Oceanic Ichthyology, 82, 1895. 



259. LAMPANYCTUS, Bonaparte. 



Lampanyctus, BONAPARTE, Fauna Italica, fasc. xxvii, 1840, (crocodilus). 



Body oblong, compressed, slender, the caudal peduncle rather robust. 

 Scales deciduous, cycloid, those of the lateral line not enlarged, so far as 

 known; lateral line well developed; number of caudal photophores 3 or 

 4, never 2 ; luminous blotches almost always present on upper or lower 

 edge of tail, none on forehead. Head compressed, the mouth large, with 

 subequal jaws; premaxillary very long and slender. Eye large; pre- 

 opercular edge more or less oblique. Gill rakers long and slender. 

 Dorsal fin large, larger than in Myctophum, not notably shorter than 

 anal, its insertion little, if any, behind that of ventrals ; rays of dorsal 

 11 to 24, those of anal 9 to 19. Pectoral fins narrow, well developed, 

 inserted low. Species numerous, very widely distributed in the open 

 sea. (AdftTTTj, lamp ; vvt;, night.) 



a. Pectorals long and falcate. 



b. Caudal photophores 3 or 4, in two series, the last on or near end of lateral line, 

 c. Mediolaterals 2; posterolaterals 2, nearly under adipose dorsal. 



* Height of body of total length; length of head nearly %. Least height of tail nearly % 

 greatest height of body. Snout moderate. Mouth large, oblique; jaws equal. Maxillary very 

 slightly expanded behind. Ventral reaches to vent, and pectoral almost HS far back as ventral. 

 Anal origin under about nineteenth scale of lateral line. D. 13; A. 12; scales 36. Goode & 

 Sean; from American specimens. 



