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 tlie 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. Oiles). Vertical fins black hi, 

 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 cceca, 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 11^ inches. 



Hah. Bay of Bengal, lat. 20° 17' 30" N., long. 88° 50' E., 

 193 fathoms; temperature at bottom 52° Fahr. 



Pakadicrolene, gen. nov. 



Allied to Dicrolene and Pteroidonus. 



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 pseudobranchite. 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. circ. 100. A. circ. 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 liead about A.\ in the 

 total (with caudal) ; its height nearly two thirds its length, 



