5 



Halosaui us incJiorostiis Alcock, Joiirn. Asi;it. Sue. Ucngal LXIII. 1894, p. 136. — 

 ibid. LXV. 1896, p. 336. — Descripl. Cat. Indian Deep-Sca Fish. 1899, 

 p. 185. 



lliilosaunts iiicdloiosliis Max Weber, Siljoga-Exped. Fische, 1913, p. 94- 



K. II; D. II; V. 1.8; P. 8; L. 1. about 25 (between head 

 and anus). 



Height nearly 20. Head about i'-/., in trunk and i ' ., times 

 to nearly twice in its distance from the root of the ventrals. 

 Head naked, except for some scales on the upper half of the 

 cheeks and the uppermost portion of the gillcover. Snout 

 produced, its length about 2^\.^ in that of head, its praeoral 

 portion not quite '/., of its length. Eye more than 8, less than 

 4 times in postorbital part of head and less than -/s o^ inter- 

 orbital space. Maxillary reaching to, or slightly beyond front- 

 border of eye. Origin of dorsal 2'/.^ eye lengths behind origin 

 of ventrals, which are therefore almost entirely in advance of 

 the dorsal. Ventrals not united by membrane. Pectorals with 

 a very narrow base, longer than postrostral part of head and 

 nearly reaching to ventrals. Scales very deciduous, those of 

 lateral line much enlarged, bearing luminous organs; they are 

 20 — 25 or somewhat less in number between the gillopening 

 and the vent. Pterygoid bands of teeth rather broad, separated 

 from the palatine band by a considerable interval. Gillrakers 

 numerous, close-set, rather long. Violet brown, end of tail 

 somewhat darker. Bony parts of head silvery, the black covering 

 of the buccal and branchial cavities shining through. Length 

 442 mm. 



Habitat: Bali Sea (10 18 M. fine mud)! — Near Philippine 



Islands (1288 M.) ; Arabian Sea (1315 M.). 



2. Halosauropsis affmis (Gthr.) 



Jlalosanrus offi/iis Giinther, Ann. Mag. Nat. Hist. XX. 1877, p. 444. 

 Halosnious affiiils Bleeker, Verb. Akad. Amsterdam XVIII. 1877 — ^878, p. 21. 

 Jill losd urns affiuis Giinther, Challenger Exped. XXII. Rep. Deep-sea Fish. 1887, 



p. 241. 

 Ildlosauius ani^uiliifoi-iiiis Alcock, Ann. Mag. Nat. Hist. (6) IV. 1889, p. 453. 

 Halosaiirus affitiis Alcock, Ann. Mag. Nat. Ilist. (6) VI. 1890, p. 309. 

 Halosaurus hoskynii Alcock, ibid. p. 309. 



Ilalcsaurus affinls Alcock, Journ. Asiat. Soc. Bengal LX\'. 1896. p. 335. 

 Halosaurus hoskynii Alcock, ibid. p. 336. 

 Halosaurus anguilliformis Alcock, ibid. p. 336. 



