I. ACHIROPSETTA TRICHOLEPIS, Norman, 

 Achiropsctlatrichotepis, Norman. lo^o, " Discovery *' Reports, ii, p. 362, fig. 47. 



190. — Achiropsetta tricholepis. B.M. (N.H.) 1930.5.6.4 



Depth of body 2\ in the length, length of head 4J. Upper profile of head evenly- 

 convex. Snout shorter than eye, diameter of which is about 3^ in length of head 

 and 3 times the interorbital width. Maxillary extending to below anterior part of 

 eye, length a little more than J that of head : lower jaw nearly i head. 9 or 10 gill- 

 rakers on lower part of anterior arch. Dorsal about 130. Anal 114. Caudal rounded. 

 Uniformly yellowish brown. 



Type. — British Museum (Nat. Hist.). Reg. No. 1930.5.6.42. 



Distribution. — Off Tierra del Fuego ; Falkland Islands. 



Specimens Examined : 



: (100 1 

 (105 



1.). Holotvpe. 

 )• 



9 miles X. 2i°E. of Arenas Point Light, 12-11 fms. 

 Falkland Is. 



' Discovery." 



Genus 32. CHASCANOPSETTA. 



%iiopsella higubris, Alcock] ; 

 . I. p. 60 [Trachypterophrys 



Chascanopsetla, Alcock, 1894, J. .•Vsiat. Soc. Beng., Ixiii {2), p. 12S [C)w 



Alcock, 1809, Cat. iDdian Deep-Sea Fishes, p. 125. 

 Trachypterophrys, Franz, 1910, Abh. Bayer. Akad. Wiss., Suppl. iv, .^ 



rapiator, Franz]. 



Body elongate, tapering posteriorly, strongly compressed. Eyes on the left side, 

 separated by a rather narrow and slightly concave space ; interorbital region similar 

 in both sexes. No rostral or orbital spines. Olfactory laminae rather numerous, 

 arranged transversely to a long central rachis. Mouth ver%' large, the length of the 

 maxillary more than h that of head ; tip of lower jaw projecting in front of upper ; 

 mandibular membranes not forming a distinct pouch ; jaws and dentition about 

 equally developed on both sides ; teeth small, slender, curved, pointed, those of the 

 lower jaw depressible ; uniserial in both jaws ; no distinct canines ; vomer toothless. 

 Gill-openings wide ; gill-rakers absent or represented by one or two rudiments. Dorsal 

 fin commencing above anterior nostril of blind side and well in front of eye ; anterior 

 rays connected by membrane only at their bases ; all the rays simple, not scaled. 



