115. LYCODID^E - URONECTES. 789 



429. GYM1VEL,IS Reinbardt, 



(Rfinbardt, Dansk. Vidensk. Selsk. Afbandl. vii, 131, 1838: type Ophidium viride Fa- 

 bricius.) 



Body elongate, naked (see G. stiyma). Vertical fins without spines; 

 ventral fins none. Small conical teeth on the jaws, vomer and pala- 

 tines. Gill-openings very narrow. No air-bladder; pyloric creca none; 

 no anal papilla. Size small. Arctic seas, (yu^us, naked; ev^u?, eel.) 



1214. G. viridis (Fabr.) Reinb. 



Brownish, sometimes uniform, but generally with dark roundish 

 transverse markings; 1 to 4 round black spots on anterior part of 

 dorsal fin ; anal sometimes black-edged ; lower part of head with 

 sharply-defined whitish markings. Snout subconical, longer than the 

 eye; jaws equal; mouth oblique; maxillary reaching beyond eye; teeth 

 rather small, conical, in a single series 011 each side, forming a patch 

 anteriorly; distance from snout to vent 2^ times length of head. Pec- 

 toral rounded, inserted low, its length less than half that of head. 

 Dorsal commencing over posterior third of pectorals. Head about 6 ; 

 depth about 13. Eye 7 in head. D. 100: A. 80. Arctic seas, Alaska 

 to Nova Scotia; abundant. 



(Ophidhon viride Fabr. Faun. Grcrnl. 141, 1780; Giintber, iv, 323; Collett, 1. c. 123: 

 Gymnelis pictu8 Giintber, iv, 324, 1862.) 



1215. G. ? stigma (Bejinett.) Gtbr. 



Scales present, very small ; no trace of ventrals. Dilute brown, with 

 irregular transverse series of brown spots, besides obscure cross-bauds 

 ("void swathes"); a large, round, purplish spot near the origin of the 

 dorsal. Vertical fins united into a transparent ridge; pectoral rather 

 large. Snout obtuse; chin with a large gibbosity; teeth small. Depth 

 about 8. L. 5 inches. Kotzebue Sound. (Lay.} Probably the type of 



a distinct genus. 



(OpMdium stiyma Lay & Bennett, Zool. Beecbey's Voy. 67; Giiutber, iv, 325.) 



43O. URONECTES Giintber. 



(Giintber, Cat. Fisb. Brit. Mns. iv, 325, 1832: type Ophidium parrii Ross.) 



Body ensiform, compressed; tail long and tapering; ventrals none; 

 vent not far distant from the head; numerous minute teeth in jaws and 

 on palate; lower jaw the longer; no barbel; scales and gill-openings 

 unknown, (oupri, tail; vr/xrr/?, swimmer.) 



12 1C. U. parrii (Ross) Gtbr. 



Color uniform. Head very obtuse, its length, depth, and breadth 

 equal; head broader than the body, flattened and grooved between the 



