456 Mr. A. Alcock on the Bathyhial Fishes 



length of tlie snout. Nostrils very large, the anterior a wide 

 short tube at the end of the snout, the posterior situated in 

 front of the upper half of the eye. Head with wide mucous 

 channels, which communicate with the exterior by large open 

 pores ; one such channel with five pores along each upper 

 lip, one with ten pores extending from the mandibular sym- 

 physis to the operculum on each side, and one along each 

 side of the top of the head ending in two very wide pores on 

 each side of the snout. Two small pores at the base of the 

 snout just outside the mouth. Cleft of mouth horizontal and 

 reaching just beyond the middle of the eye ; the upper jaw 

 far overhung by the snout and overhanging the lower. 

 Tongue long, pointed, fleshy, free. Teeth minute, in rather 

 broad bands in the jaws, and in a broad patch outside the 

 mouth in the expanded premaxillai ; a few small teeth in the 

 vomer, quite anteriorly. Gill-openings narrow, widely sepa- 

 rated ; a broad fold ot skin extends to the base of the pectoral 

 from their anterior margins. No scales. A row of close-set 

 pores extends throughout the whole length of the lateral line. 

 Pectorals narrow, a little longer than the snout. Vertical 

 tins confluent; the dorsal begins above the gill-opening. 



Colours in spirit: — Transparent grey, with minute black 

 specks. 



Total length 16 inches. 



Hah. Andaman Sea, south-east by south of Ross Island, 

 in 265 fathoms. 



COLOCONGER, gen. nov. 



Allied to Conger. 



Snout and tail very short. Muscular and osseous systems 

 well developed. Four gills, which communicate with the 

 pharynx by wide slits. Gill-openings separate. Heart 

 situated immediately behind, the gills. Eyes large. Posterior 

 nostril superior. Cleft of mouth wide, extending beyond the 

 middle of the eye. Tongue free. Teeth in a single con- 

 tinuous ridge iu each jaw, none on the vomer. No scales. 

 Vertical fins well developed, confluent ; the dorsal begins 

 above the root of the pectoral. Pectorals well developed. 



Coloconyer raniceps^ sp. nov. 



Head broad, massive, frog-like ; its length measured to the 

 gill-opening a little more than twice its breadth and one fifth 

 of the total. Trunk deep, its length, which exactly equals 

 that of the short, compressed, abruptly-pointed tail, is tliree 



