ATOPICIITIIYS LYCIINUS. 335 



higher than wide, forehead very convex transversely. Pnout pohited, 

 longer than the eye. Eye large, shorter than the snont, near one sixth as 

 long as the head. Mouth wide, cleft hardly reaching a vertical through the 

 middle of the eye ; lower jaw shorter. Teeth short, suhconical, visible 

 imder strong lenses. Nostrils small ; posterior nostril as near to the lip 

 as to the orbit, nearer to the latter than to the anterior; anterior nostril 

 with a short tube, nearer to the end of the snout than -to the posterior, 

 and nearer to the lip. 



Gill opening small, about half as wide as the eye, in front of the base 

 of the pectoral. 



Pectorals small, one third as long as the head, twice as long as the eye, 

 pointed, of fifteen rays. Vertical fins continuous around the tail. Dorsal 

 origin not far from two ninths of the distance from snout to end of caudal. 

 Anal origin close to the vent. Vent below the sixty-fifth muscle segment. 



Lateral line in the first half dozen segments descending to the median 

 line of the flank. 



Anal fin and hinder portion of dorsal, for the greater part of the length, 

 internally marked on the bases of the rays by small spots of black pigment. 

 No other pigment on the specimen. 



Total length seven, greatest depth seven-eighths, length of head three- 

 eighths, depth of head three-sixteenths, snout to dorsal fin one aud nine- 

 sixteenths, and snout to vent three and five eighths inches. 



Station, 3354 ; Lat., 7° 9' 4J" N. ; Lon., 80° 50' W. ; Surface towiiet. Time, Feb. 25, 1891, l"- 25" 

 P. 51. ; over a depth of 32i fathoms ; Teiup. , 46° F. ; Bottom, Gu. M. 



Atopichthys lychnus sp. n. 



Plate LXVILfi<js. 3,3 a. 



Narrowly compressed in the body, grentest depth one nineteenth of the 

 total length, moderately pointed in front, acute and slender at the tail, 

 deepest behind the middle of the total, tapering gradually forward and 

 more rapidly backward. Distance from snout to vent more than half of 

 the entire length. Head little wider than the body, higher than Avide, in 

 length one eighteenth of the total ; crown convex longitudinally and very 

 convex transversely. Snout compressed, subconical, rounded, blunt, deeper 

 than high, little more than one fourth as long as the head. Eye large, as 

 long as the snout, one diameter distant from the end of the latter, iris 



