400 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [58] 
aa. Preopercle, with its bony margin sharply serrate in young examples, becoming en- 
tire with age: body rather elongate, not much com- 
pressed. (Sciwnops Gill.) 
i. Caudal fin slightly concave, about half as long as head; a large black 
ocellus at its base above. Body elongate, rather ro- 
bust, back somewhat arched; profile rather steep, 
somewhat convex; head long, rather low; eye 
small, 7 in head; snout bluntish, rather long, 4 in 
head ; mouth large, nearly horizontal; maxillary not 
quite reaching posterior border of orbit, 2} in head; 
teeth in both jaws in villiform bands, the outer 
series of the upper jaw much enlarged; lower teeth 
subequal; gill-rakers 5 +- 7, shorter than the diam- 
eter of the pupil; longest dorsal spine 24 in head ; 
second anal spine 12 in the longest ray, 33 in head; 
pectorals as long as ventrals, 2 in head; scales of 
the breast imbedded, cycloid ; soft dorsal scaleless ; 
color grayish-silvery, iridescent ; each scale with a 
center of dark points, these forming rather obscure, 
irregular, undulating brown stripes along the rows 
of scales; a jet black ocellated spot about as large 
as eye at base of caudal above; this sometimes du- 
plicated; the body occasionally covered with ocelli. 
Head 3} in length; depth 33. D. X-I, 24; A.II,8. 
Sealesi4—-O0-7) 2.5226 2 se cen ces eehes OCELLATA, 63. 
aaa. Preopercle, with its bony margin entire or irregularly crenulate or ciliate, never 
distinctly serrate. 
j. Second anal spine small and slender, 3} to 44 in head; mouth small, 
the back not greatly elevated. 
k. Body.more or less elongate, little compressed, formed as in Ophi- ° 
oscion ; teeth of lower jaw equal (Johnius Bloch). 
1, [Caudal rhombic, its length } that of head ; no black ocellus at 
its base. Body rather elongated, the form much as 
in Sciena (Ophioscion) typica, but the head less de- 
' pressed; profile, depressed above eye; eye 4 in head, 
as long as the snout, which is rather long, bluntish 
at tip; preorbital, 3 length of eye ; mouth moderate, 
horizontal ; maxillary extending to below middle of 
eye, 24in head ; teeth in many series; outer series of 
the upper jaw somewhat longer, those of the lower 
jaw all subequal; preopercle entire (in the figure) ; 
scales of the cheek cycloid; those of the opercle and 
body ctenoid;.46 series of scales above the lateral 
line; 40 below it ; spinous dorsal little longer than 
high, the spines slender, scarcely flexible, the third 
longest, 2 in head; soft dorsal densely scaly, the 
longest ray 2? in head; second anal spine small, lit- 
tle longer than the eye, 3} in head; pectorals 13 in 
head. Color, greenish or bluish gray above, silvery 
below ; fins yellowish. Head 3} to 34; depth 34 to 
33; D. X-I, 28 or 29; A. II, 7; lateral line, 45.] 
CBOSS) sc 2se hs sae sla bdeae HETEROLEPIS, 64. 
kk. Body rather elongate, considerably compressed ; teeth in lower 
jaw unequal, those of the inner series more or less 
enlarged; mouth rather large; preopercle with flex- 
ible serra, 
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