38 PROCEEDTNGS OF THE NATIONAL MUSEUM. vol.xxiv. 
1. VIREOSA Jordan and Snyder, new genus. 
Vireosa Jordan and Snyder, new genus {Jiarue). 
'Body greatl}^ elongate, compressed, covered with minute, c^ycloid, 
separated, partly omiiedded scales; head naked, comparatively^ short, 
the forehead l)lunt, rounded; eyes large; chin with a long, flat barbel, 
followed by three smaller ones. Mouth large, sul)vertical; soiue of 
the teeth long; small canines present. Ventral lins entirely separate, 
the rays I, 4. Caudal fin with the upper and lower rays ending in 
long filaments. Dorsal spines not produced, the raj^s about YI-25; 
anal fin long. Gill openings wide, the isthmus narrow; gill-rakers 
long and slender, pseudo-branchia? present. 
A single species known, from the coast of Japan. The genus is not 
close to anj^ other, l^eing nearest Pfcreleotrh and Oxi/metopon. ( IV/vy>, 
to grow green, the name of a genus of l)irds.) 
I. VIREOSA HANJE, Jordan and Snyder, new species. 
Head 5^ in length; depth, 6i; depth of caudal peduncle, 9i; eye, 3f 
in head; snout, 4i; maxillary, 2|; D. VI-25; A. 25; P. 21. 
Body very long; slender; compressed; caudal peduncle deep. Head 
short; its depth contained li times in its length. Interorbital space 
slightly convex; the distance between the eyes al)out e<|ual to their 
Fig. 1. — Vireosa hanje. 
longitudinal diameter. E^^e large; directed laterally. Snout shorter 
than diameter of eye; blunt. Lower jaw projecting beyond the upper. 
Cleft of mouth large; almost vertical. Maxillary extending to a per- 
pendicular passing midway between pupil and anterior edge of orbit; 
entirely concealed. Teeth in upper jaw in 2 series; the outer con- 
sisting of a few large, curved, fang-like canines; the inner of minute, 
simple teeth, growing close up to and between the canines; side of 
lower jaw with canines, 2 of which are notably large; minute teeth 
growing between the larger ones; posteriorly the jaw curves upward; 
its surface having a row of minute teeth. Tongue slender; compressed 
laterally; the tip free. Gill openings wide; extending forward below; 
the width of isthmus separating them about equal to half the diameter 
of eye. Inner edge of shoulder girdle without protuberances. Pseudo- 
branchiffi present. Gill-rakers on first aich long; slender; close set. 
