32 PROCEEDINGS OF THE NATIONAL MUSEUM vol.85 



longer well-spaced depressible teetli; all upper teeth extend to lower 

 hind end of maxillary expansion; lower jaw with an outer band of 

 teeth similar to those in upper jaw, then well separated and inside a 

 narrow band of inner teeth made up of many very small close-set 

 teeth with a single row of larger, well-spaced, firmly erect teeth; 

 palatine and vomerine band not continuous across latter, with very 

 narrow band or row of short, small, outer teeth and an inner closely 

 following row of much larger, wide-set, strong, erect teeth ; no teeth 

 on tongue. Tongue small, flat, free. Nostrils together, posterior 

 greatly larger, nearer eye than snout tip. Bony intcrorbital narrow, 

 gi-eatly less than eye. Gill opening widely cleft, extends forward op- 

 posite nostrils. Gill rakers slender. Pseudobranchiae v.ell devel- 

 oped. Scales very caducous, most all fallen, thin cycloid. Axial 

 series of scale pockets, evidently forming lateral line, greatly larger 

 than others. Scales on caudal base small. Dorsal inserted before 

 middle of depressed pectoral. Adipose fin small, well behind anal 

 base. Caudal moderate. Pectoral long. Ventral inserted little be- 

 fore dorsal origin. Vent midway between depressed ventral tip and 

 anal origin. 



Differs from Bathysauropsis Kegan in its gi-eatly larger eyes, nar- 

 rower interorbital space, apparently larger scales in the lateral line, 

 and slightly different proportions. 



{Bothy saur us -\-Ciyl/, appearance.) 



BATHYSAUROPS MALAYANUS, new species 



Figure 6 



Depth 9; head 31/3, width SVs. Snout 4 in head from snout tip; 

 eye 4, subequal with snout, greatly exceeds interorbital; maxillary 

 reaches below hind eye edge, expansion 2^5 in ej^e, length I34 hi head 

 from snout tip; interorbital 51/3, low, nearly level. Gill rakers 5 + 14, 

 lanceolate, which 2 in eye ; gill filaments % of gill rakers. 



Scales (pockets) 48+ in lateral line; 6 above, 6 below, 20 predorsal 

 forward to occiput. Scales on chest, breast, and belly small. Scales 

 simple, without striae; circuli fine, basal, about 21, obsolete apically. 



D. I, 11, I, third branched ray 1%? in total head length; adipose 

 fin 2V5 in eye; A. Ill, 7, i, second branched ray 2% in total head 

 length; caudal 1% ?, apparently well emarginate behind; least 

 depth of caudal peduncle 5; pectoral fi^, rays 11, 20; ventral rays I, 7, 

 fin 1% in total head length. 



Dark brown, blackish brown on head, breast, and belly. Inside gill 

 openings blackish. Iris gray black, pupil pale brown. Fins brown 

 to blackish, especially basally. 



