113 
than eye. Barbel nearly as long as head. Origin of dorsal a 
little behind origin of anal, which is higher than dorsal. Ventrals 
prolonged, reaching on anal. Pectorals near ventral profile, 
equal to height of body. About 25 unequal and curved teeth 
in each intermaxilla, the first and fifth the largest, but smaller 
than the large of the circa 13 teeth in each mandible; those 
on the maxilla about 30, minute, close-set, directed backward. 
Suborbital organ very small. 16—17 luminous organs between 
branchiostegal rays. The ventral series of luminous organs be- 
tween isthmus and pectorals consists of 6, between pectorals 
and ventrals of 34—38, from ventral to anal of 6, from anal to 
caudal of 16—17 organs. Uniform black with metallic gloss. 
Fins and barbel white, the last with black tip. Length 135 mm. 
Fabrtats -Plores.-sea. (521 ‘M.)!) “Eimor’ sea. (421 “M.)'; 
Manipa-straits (1536 M.)!. — Indik (Gulf of Manaar 1093 M.); 
East coast of Africa 693—1119 M. 
4. Melanostomias Brauer. 
(BRAUER, Zool. Anzeiger XXV. 1902, p. 284). 
Elongate, strongly compressed, tapering posteriorly, scaleless. 
Gape of mouth extensive as also the gillopening. Opercle little 
developed. Chin with a well developed barbel. Pectorals short, 
ventrals long, far behind middle of body. Dorsal opposite to 
anal and shorter than that fin. No adipose fin. Caudal short, 
forked. Vent near anal. Intermaxilla and mandible with large 
bicuspid depressible teeth. Maxilla anteriorly with some large 
teeth, posteriorly with numerous small ones, directed back- 
ward. Teeth on vomer and palatines, and sometimes on tongue. 
Behind the eye is a large revolving postorbital luminous organ, 
an inconspicuous organ below the eye and one on the opercle. 
I2 organs between the branchiostegal rays, besides numerous 
small ones round the eye, on the jaws and scattered on the 
head. On each side a ventral series of organs beginning behind 
the isthmus and running to the caudal, a lateral series from 
gillopening to anal. Numerous small organs and whitish puncti- 
form ones in groups ventrally of each larger organ of a 
longitudinal series, and in transverse rows on the body. 4 gills. 
No pseudobranchiae. 11—12 branchiostegals. [after Brauer]. 
INDO-AUSTRALIAN FISHEs II. 8 
