308 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.58. 



in its length. Head strongly depressed, width 2\ to 2| its length. 

 Snout greatly depressed, width 1^ its length; length half its width in 

 young. Eyes largely ventral. Maxillary not quite to eye, only to 

 first third in young, curved downward and ventrally. Few slender 

 curved teeth in row along each side of upper jaw, similar smaller 

 teeth below. Jaws equal in front. Interorbital level. Origin of 

 dorsal midway between ventral origin and caudal base, little nearer 

 caudal base than pectoral tip in young; anal inserted close behind 

 dorsal origin, close behind dorsal base in young; caudal forked, IJ 

 to If in head; adipose fin placed at first f in space behind last anal 

 ray base and caudal base; ventral inserted midway between snout 

 tip and caudal base, fin If to 2|- in head; in young ventral inserted 

 midway between snout tip and last anal ray base; pectoral, 2^ to 2 J. 

 In alcohol color is brown on back, undersurface pale to whitish. 

 Two examples, 48 to 118 mm. 



Salanx hyalocranius J. F. Abbott * is apparently identical, the 

 alleged characters given being merely variations of age. 



Family MONOPTERIDAE. 



FLUTA ALBA (Ziuei^. 



One example, 405 mm. long. 



Family ANGUILLIDAE. 



ANGUILLA JAPON5CA Schlegel. 



Head, 3| to vent; depth, 7; head and trunk, 14 in rest of body; 

 snout, 5| in head; maxillary, 3|-; interorbital, 6; pectoral, 2|; eye, 2 

 in snout; space between dorsal and anal origins 1| in head. In 

 alcohol brown above, pale to whitish below. Pectorals whitish, also 

 anal. Dorsals and caudal dusky, with very narrow pale edge. One 

 example, 375 mm. 



Family SILURIDAE. 



PARASILURUS ASOTUS (Linnaeus). 



Head, 4§; depth, 6f ; D. I, 4; A., SO; snout, 3i in head from- upper 

 jaw tip; eye, 8|; mouth width, 1§; interorbital, 2^. Head width. 

 If its total length. Snout broadly depressed, length f its width. 

 Lower jaw slightly protrudes, symphysis level with middle of eye; 

 maxillary to front pupil edge. Maxillary barbel reaches opposite 

 dorsal origin. Mental barbel, 2| to hind edge of gill opening. Teeth 

 conic, fine, in mo derate bands in jaws and narrower band across vomer 

 and palatines. Interorbital slightly convex. Gill rakers, 1+9; 

 lanceolate, U in filaments or about long as eye. Dorsal length, 3 

 in total head length; second anal ray, 2^; caudal slightly cmarginate, 

 with rounded lobes and joined with anal; upper lobe, 1§; least depth 



1 Proc. U. S. Nat. Mus., vol. 23, 1901, p. 490, Rg. Tife-Tsin. 



