of the Bay of Bengal &c. 391 
jaws. Interorbital space wider than the eye. Operculum 
very small, with a feeble flat spine above; preoperculum 
expanded, with a rounded margin. Teeth in narrow bands 
on the jaws, palatines, and hyoid, and in a V-shaped patch 
on the vomer. Mouth large, its cleft oblique. Jaws slender. 
Gill-opening wide; gill-lamine very narrow; gill-rakers 
numerous and elongate on the outer side of the first branchial 
arch, elsewhere very short. Scales deciduous and extremely 
thin. Lateral line undistinguishable. The dorsal fin begins 
in front of the vertical through the base of the pectoral, with 
the anal at a distance behind equal to the length of the head 
behind the middle of the orbit. Caudal nearly half as long 
as the head, united with the vertical fins at its base only. 
Pectorals pointed, as long as the head without the snout. 
Ventrals arising at the pectoral symphysis. 
Colours in spirit :—Head and body silvery, with minute 
black specks; fins silvery grey. 
A siphonal stomach, witha bulbous pyloric portion ; it and 
the long coiled intestine invested in black peritoneum ; six 
small pyloric ceca in a ring round the pylorus. An air- 
bladder. 
One specimen, rather mutilated, 72 inches long. 
Hab. Andaman Sea, off Ross Island, in 271 fathoms. 
Family Macruride. 
Macrurus, Bloch. 
Subgenus C@LoRuYNCHUS (Giorna). 
Macrurus parallelus, Gthr. 
Macrurus parallelus, Gunther, Ann. & Mag. Nat. Hist. 1877, vol. xx. 
p- 439; Zool. Chall. Exp, vol. xxii. p. 125, pl. xxix. fig. A. 
Two young specimens, in bad preservation, believed to be 
this species. 
Hab. Gulf of Manaar, lat. 6° 29' N., long. 79° 34’ E., 597 
fathoms. 
Subgenus Macrurus (Bloch). 
Macrurus investigatoris, sp. nov. 
Baap eee Aeire.«100s) B25 iVi09; 
The whole of the head except the maxilla, the upper part 
of jthe mandible, and the giosso-hyal region densely scaly. 
