No. 190: SCORPIDIDAE. D VI-VIII ,20-22; A III ,23-26; head, body and
median fins covered with small ctenoid scales; maxilla naked;
band of small pointed teeth in jaws, outer teeth enlarged; similar
teeth on vomer; preopercle smooth; gill membranes separate.
No. 191: SCATOPHAGIDAE. D XlI,IS-I8; A IV,I4-IS; scales minute,
ctenoid, covering head and body, extending onto median fins,
jaws with bands of minute, slender, tricuspid, movable teeth;
vomer and palatines edentate; gill membranes united.
No. 192: EPHIPPIDAE. D V-IX,I9-37; A III,IS-28; scales small to
moderate, ctenoid; operculum and cheek scaly; median fins
scaly; jaws with bands of flattened, tricuspid teeth; gill membranes joined to isthmus; preopercle smooth.
No. 193: MONODACTYLIDAE. D VIII,2S-30; A III,2S-30; scales small,
weakly ctenoid, extending onto median fins and head; maxilla
exposed, scaly; jaws with bands of minute teeth; gill membranes
separate, not joined to isthmus; V rudimentary or absent in
adults.
PERCIFORMES
No. 194: GERREIDAE. D IX-X,9-ll; A I1I,7; scales large, cycloid;
mouth greatly protrusile, arching downward when protracted;
cheeks and operculum scaly; gill membranes separate, free of
isthmus.
No. 195: DREPANIDAE. D VIII-IX,19-22; A III,17-19; body strongly
compressed; scales cycloid; mouth very protrusile, with bands of
setiform teeth; gill membranes joined to isthmus.
No. 196: MULLIDAE. D VII-VIII+I ,8; A 1,6-7; a pair of long barbels on
chin; mouth protrusile.
No. 197: MALACANTHIDAE. D VI-X,13-16 or D I-IV,43-60; A 11,1112 or A 1,37-53; body oblong, somewhat compressed or
elongated and subcylindrical; scales on body mostly ctenoid;
opercle with a spine pos'teriorly.
~
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No. 198: SILLAGINIDAE. D X-XII+I,18-23; A 11,17-28; scales ctenoid,
rather deciduous; maxilla covered by preorbital; fine teeth in bands
on jaws and vomer; opercle with a small sharp spine,
499