9 
33t 
i 
3 2/3 slightly convex# Gill rakers as 10 minute denticles on lower branch of I 
first gill arch; gill filaments subequal with eye# 
Large triangular lumincms body below and behind eye close above maxillary, 
long as eye; distinct photophore at middle of hind preopercle flange; upper 
lateral series 24 from pectoral to ventral, thence 12 to anal of which 2 above 
front of anal; lower or ventral series 36 before ventral of which 8 on isthmus 
and 2 before pectoral origin, 10 from ventral to anal origin, thence 14 to 
caudal base# 
T , ' 
D. 14, fin height 3 l/4 in total head length? A, 16, fin height 2 l/4j 
caudal 2 l/5, well forked, lobes pointed; least depth of caudal peduncle equals 
eye; pectoral 2 2/5 in total head, rays 4; ventral 6 4/5 in combined head and 
body to caudal base, rays JE, 6. 
Dark brown generally. Luminous ergon below eye conspicuously white or cream 
white. Iris slate gray. x ' ins pale or brownish white. 
Diagnosis. My example seems to agree best with Regan’s Indian Ogean specimen 
of but 55 mm. in its slender body, though its barbel is said to be a little 
longer than the head. Regan and Trevra.vas record an Atlantic example, still 
smaller or only 24 mm. long, with a similar barbel long as head. Both specimens 
are said to have 2 pairs of teeth on the tongue. My example of the present 
species differs, however, in that there is only a single pair of small teeth at 
front of tongue, surely not 2 pairs. It is therefore most closely related to 
Melanostomias valdiviae in its similar barbel structure, differing chiefly in its 
slender body. 
ft o 
1434. D. 5405. Ponson Island (N.), S. 79 E., 6. 8 miles (N. 10 
50 ’ E, 124 ° 26 1 18 "), Dupon Bay, Leyte and vicinity. In 190 fathoms. 
r March 17, 1S09. 'Length • 
