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3. Anus somewhat in front of middle of 
length; body without large, round or 
oval dark blotches 3 
Anus under or slightly behind middle of 
length; body with large, round or oval 
dark blotches 4 
4. Vomerine teeth continuous with those 
on the premaxillary (Fig. lb) and of ap- 
proximately the same form; posterior 
nostril in a tube in specimens over 10 
inches long; head without lengthwise 
bands U. polyspilus 
Vomerine teeth well separated from the 
premaxillary series, relatively small, con- 
ical; posterior nostril without a tube; 
head with lengthwise bands. U. fijiensis 
5. Gill opening on middle or lower third of 
sides .7 
Gill opening high, on upper third of 
sides. Teeth multiserial on the sides of 
jaws (Fig. lc, d ) ; eye in front of middle 
of wide gape 6 
6. Teeth in a broad band all along the sides 
of the upper jaw (Fig. lc); head and chin 
spotted; maximum known length, 17 
inches U. supraforatus 
Teeth in 3 or 4 rows along middle of the 
upper jaw, tending to become biserial 
posteriorly (Fig. 1 d)\ head and chin 
plain; maximum known size, 10 inches 
U. fuscoguttatus 
7. Teeth on the sides of the jaws in one or 
two rows; vomerine teeth uniserial or 
absent; maximum size about 10 inches. 8 
Teeth on the sides of the jaws in three 
rows; vomerine teeth in two or three 
rows in front; maximum size 3 feet. . . . 
U. marmoratus 
8. Teeth on the sides of the jaws in two 
rows; vomerine teeth present. ........ 9 
Teeth on the sides of the jaws in a single 
row; no vomerine teeth (Fig. lc). Color 
uniform brown U. inornatus 
9. Markings of some sort always present . 1 0 
Color uniform brown. Inner row of teeth 
on the lower jaw extending only about 
two-thirds of the way back along the 
outer row U. concolor 
10. A single open lateral-line pore in front of 
and above the gill opening (for the ap- 
proximate position of this pore, see Fig. 
2); no scattered light punctulations on 
the head and body 11 
Two open lateral-line pores in front of 
and above the gill opening, one before 
the other; numerous scattered light 
punctulations on head and body 
U. xanthopterus 
11. Posterior nostril over or behind the mid- 
dle of the eye, which lies over or behind 
the middle of the gape. 12 
Posterior nostril over the front of eye, 
which lies ahead of the middle of the 
gape. U. micropterus 
12. Tail more or less pointed, the terminal 
rays about two eye diameters in length; 
gape short, contained more than 3 times 
in the head length (to gill opening) 
. . .U. makatei 
Tail bluntly rounded, the rays at its tip 
short, less than an eye diameter in length; 
gape relatively wide, contained fewer 
than 3 times in the head length 
U. knighti 
Uropterygius sealei Whitley 
Table 1 
type locality: Society Islands. This spe- 
cies was originally described as Scuticaria uni- 
color by Seale; the specific name is said to be 
preoccupied. 
material examined: One specimen from 
the Honolulu aquarium. 
