of the Bay of Bengal &c. 387 
panded posteriorly, with a vertically straight edge, its base 
united with the vertical fins. The pectorals, which have 
fleshy free bases, are as long as the postorbital portion of the 
head and are scaly through their basal third. The ventrals 
are bifid filaments, inserted at the symphysis of the pectoral 
arch. 
Colours in life :—‘ Head slate-coloured ; body uniform dirty 
green-chocolate, the vertebral line showing through as a lake- 
coloured stripe”? (Dr. G. M. Giles). Vertical fins black in 
spirit. 
‘ Abdominal cavity large, parietal peritoneum black ; stomach 
siphonal, with a bulbous pyloric portion; the first part of the 
intestine passes straight forward, and has on each side, in a 
row, six large long ceca, and at the pylorus a single median 
one; it then turns abruptly back, and is thrown into a wide 
coil held by stout mesentery, beyond which it is straight. 
Air-bladder large and saccular. 
Three specimens, the longest being 113 inches. 
Hab. Bay of Bengal, lat. 20° 17’ 30’ N., long. 88° 50! E., 
193 fathoms ; temperature at bottom 52° Fahr. 
PARADICROLENE, gen, nov. 
Allied to Dicrolene and Pterotdonus. 
The lower pectoral rays detached from the upper part of 
the fin, free, and prolonged. Body elongate and compressed ; 
it and the head covered with small thin scales. Snout short, 
broad, and not overhanging the jaws. Eye moderate. No 
supraorbital spines. Mouth wide; teeth in villiform bands 
in the jaws, palatines, and vomer. No barbel. Operculum 
and preoperculum armed, Gill-openings wide; gill-mem- 
branes entirely separate ; four gills; eight branchiostegals ; 
no pseudobranchie. Lateral line incomplete on the tail. 
Vertical fins invested by the integument, but not scaly. 
Caudal free, joined at its base only to the vertical fins. Ven- 
tral fins in the form of bifid filaments. 
Paradicrolene multifilis, sp. nov. 
B. 8. D. cire. 100. A. cire: 85. C. 4. P. 18/8-10. 
V.2. L. tr. 34 above vent. 
Head conoid, body elongate and compressed, tail finely 
tapering. Height of the body a little over one sixth of the 
total length (with caudal). Length of head about 43 in the 
total (with caudal) ; its height nearly two thirds its length, 
