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 ; glll-laminfe 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, with a bulbous pyloric portion ; it and 

 the long coiled intestine invested in black peritoneum ; six 

 small pyloric Cffica in a ring round the pylorus. An air- 

 bladder. 



One specimen, rather mutilated, 7f inches long. 



Hab. Andaman Sea, ofi" Ross Island, in 271 fathoms. 



Family Macruridse. 



Maceueus, Bloch. 



Subgenus Ccelorhynchus (Giorna). 



Macrurus parallelus^ Gthr. 



Macrurus paraUelus, Giinther, Ann, & Mag. Nat, Hist. 1877, vol, xx. 

 p. 439 ; Zool. ChaU. Exp. yol. xxii, p, 125, pi, xxix, tig, 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 Maceueus (Bloch). 



Macrurus investigator is, sp. no v. 



B. 7. D. 12. A. circ. 100. P. 21. V. 9. 



The whole of the head except the maxilla, the upper part 

 of jthe mandible, and the giosso-hyal region densely scaly. 



