wie) 
trals, which are also situated before the middle. Anal in the 
last '/, of length. Adipose fin as far behind the dorsal as the 
dorsal is behind the anterior edge of the pupil, situated 
above the anal. Pectorals nearly equal to head without snout, 
nearly reaching to end of ventrals. Caudal bifurcated. Anus 
somewhat behind ventrals and behind middle of length. Scales 
posteriorly roughly dentated. Minute teeth in narrow bands 
on the jaws, on each side on the vomer and in a long stripe 
on the palatines and very minute ones scattered on the 
tongue. Long closely set, bristle-like gillrakers, in large speci- 
mens longer than branchial filaments. Silvery grey, with dusky, 
oblique crossbands and dorsally with large irregular blackish 
spots. Fins hyaline. Tip of dorsal and caudal and median portion 
of ventrals black. Length over 200 m.m. [Not seen by us]. 
Habitat: West Coast of Sumatra (371 M.). Tropical Indic. 
8. Ipnops Ginther. 
(GUNTHER Ann. Mag. Nat. Hist. II. 1878, p. 187. — Rep. Challenger-Exp. 
Deep-sea Fishes, XXII. 1887, p. 190). 
Body elongate, subcylindrical, covered with large thin deci- 
duous scales, and without luminous organs. Head depressed, 
with broad, long, spatulate snout, the whole upper surface of 
which is occupied by a pair of large, transparent, lamelliform 
membrane bones, which cover a luminous organ, longitudinally 
divided into two symmetrical halves. Eyes absent; nostril 
reduced to a minute opening in front of each lamina. Bones 
of the lower and lateral parts of the head well ossified. Mouth 
wide, with the lower jaw projecting; maxillary dilated behind. 
Both jaws with narrow bands of villiform teeth; palate tooth- 
less. Pectoral and ventral fins well developed, and, owing to 
the shortness of the trunk, close together. Dorsal fin at a 
short distance behind the vent; adipose fin absent; anal fin 
moderately long; caudal subtruncated. Pseudobranchiae absent ; 
airbladder absent; pyloric appendages absent. 
I. Ipnops murrayi Gthr. 
Lpnops murrayi Giinther, Ann. Mag. Nat. Hist. II. 1878, p. 187. — Rep. Chall- 
enger Exp. Deep-sea Fishes, XXII. 1887, p. 191. 
Pee eO wa ate betas V. 8; .L.. lat..55. 
Body elongate, cylindrical, tail compressed behind, head 
