348 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [6] 
jj. Pseudobranchiz small; air-bladder with avery complex struct- 
ure, having many forking branches on 
each side, these extending in a perito- 
neal membrane which surrounds the. 
viscera; no canine teeth; dorsal rays 
IX-I, 25 to 30; anal rays II, 8 to II, 11; 
the spine small; pectoral shortish ; 
gill-rakers slender, not very long; pre- 
opercle with two or three stiff, slender 
spinules near its angle; top of head 
very convex in all directions; occipital 
crest high, its edge dentate; caudal 
finlanceolate. (Asiaticspecies.) Ver- 
tebre 11 -+ 18........ COLLICHTHYS.* 
jjj- Psendobranchie present ; teeth subequal, all villiform, in nar- 
row, bands; soft dorsal long, of 30 to 
35 rays; anal fin rather long; soft dor- 
sal and anal scaly; lower jaw project- 
ing; vertebre 10+-14; gill-rakers long 
and slender; air-bladder with two 
horns’..2:.2t 2.2 cesses NEBRIS, 5 
wi. Skull firm, not excessively cavernous, interorbital space not very 
broad ; preorbital not turgid. 
k. Teeth minute, equal, chiefly uniserial or partly biserial above ; 
snout very short; cleft of mouth very 
oblique or even vertical, the lower jaw 
projecting.......,..---.-LARIMUS, 6. 
kk. Teeth larger, more or less unequal, those in lower jaw mostly 
biserial, those of the inner geries 
usually enlarged ; cleft of mouth more ~ 
or less oblique but not vertical. 
l. Scales of the lateral line similar to the others, not con- 
cealed by smaller ones; anal fin in- 
serted more or less posteriorly, its first 
spine usually nearer caudal than ven- 
trals, the tip of the last ray when de- 
pressed extending beyond base of last 
ray of dorsal; caudal pedunele rather 
short; pseudobranchiwe well devel- 
oped. 
m. Upper jaw with a single row of teeth, some of them en- 
larged, forming Jong canines; some 
canines in lower jaw; lower jaw pro- 
JOON Wine cick ene ODONTOSCION, 7. 
mm. Upper jaw with a narrow band of teeth, those of the 
outer row more or less enlarged; no 
distinct canines ........-. CoRVULA, 8. 
Ul. Seales of the lateral line considerably enlarged, almost en- 
tirely concealed by smaller ones ; anal 
fin small, inserted well forward ; its 
first spine usually as near ventrals as 
* Collichthys Giinther—Hemisciena Bleeker ; type Sciena lucida Giinther, not of Rich- 
ardson. Our specimens from Swatow, China (Collichthys lucidus Rich.?) agree with 
Bleeker’s account of Hemiaciena lucida rather than with Giinther’s. This genus is cer- 
tainly very close to Sciwnoides. 
