of the Bay of Bengal &c. 457 



times its height ; abdomen large and full. Snout blunt, 

 hardly advanced, its surface studded with pin-hole pores ; its 

 breadth nearly twice its length, which is but three fourths of 

 that of the eye. Eyes large, nearly circular, prominent, their 

 major diameter a little less than one fourth the length of the 

 head measured to the gill-opening. Nostrils large, the ante- 

 rior subtubular, the posterior above the angle of the eye. 

 Mouth cavernous. Jaws slender, equal. Tongue short, 

 broad, fleshy, free in its anterior third. In each jaw a row of 

 small uniform teeth in continuous contact, except at their 

 extreme tips, which show as minute recurved asperities on a 

 sharp-edged ridge. No vomerine teeth. A large, oval, 

 horny, granular plate in the fauces behind the superior 

 pharyngeal bones. A mucous channel with numerous pores 

 along the lower jaw beneath. Gill-lamina? narrow ; gill- 

 openings of moderate size, a broad fold extends from their 

 outer edge to the base of the pectoral fin. No scales. Head 

 with numerous black tubular papillee. Lateral line a salient 

 tube, with upwards of a hundred similar papillse. Vertical 

 fins confluent ; the dorsal, which begins above the base of the 

 pectoral, is considerably higher than the anal. Pectorals two 

 fifths of the length of the head. 



Colours in spirit : — Uniform yellow-brown ; abdomen 

 speckled with black, due to the peritoneal pigment showing 

 through. 



Visceral peritoneum black. Stomach with a caecum half 

 as long as the body-cavity. Intestine sinuous. Only the 

 left lobe of the liver developed. Air-bladder large, globular. 



Length 6^ to 10^ inches. 



Hah. Andaman Sea, off Ross Island, in from 265 to 271 

 fathoms. 



Group ? Allied to Mur^enesocina. 

 Sauromur^nesox, gen. nov. 



Form of the body widely departing from the typical, the 

 trunk being high and well marked off from the head and tail, 

 which is a long tapering appendage. Tissues well developed. 

 Gills four, opening into the pharynx by wide slits ; gill- 

 openings separate. Heart situated immediately behind the 

 gills. Nostrils lateral. Eye large. Tongue free. Vertical 

 fins ill developed, confluent ; the dorsal begins in front of the 

 level of the gill-opening. Pectoral fins well developed. No 

 scales. Snout long, pointed. Cleft of mouth extending far 

 behind the eye ; the upper jaw overlapping the lower. One 



Ann. & Mag. N. Hist. Ser. 6. Vol. iv. 33 



