BULLETIN OF THE UNITED STATES FISH COMMISSION. 
492 
The species reach a large size and are confined to the fresh waters of the Tropics of America and 
the Hawaiian Islands. The physiognomy in each is peculiar, the snout being long and convex. 
Awaous Steindachner, Sit/.. Ak. Wiss. Wien, XLII, I860, 285, 289; after les Awaous of Cuvier it Valenciennes ((robins ocel¬ 
lar is, etc.). 
Chonophorus Poey, Memorias, II, 274, 1861 (bucculcntus taiasica). 
Awaous Bleeker, Esquisse d’un Syst. Nat. Gobioides, in Archiv Neer. Sc. Soc. Hull. Harlem. IX, 1871, 320 ( ocdlaris i; after 
les Awaous of Cuvier Valenciennes. 
a. Body elongate, depth 4.75 in length; eye comparatively large, 6.75 in head; snout rather short, 2.2 in head; interopercle 
comparatively narrow, 7 in head; dorsal rays 11; anal 13; scales 52,-11; a black bar below eye_ gcnivittatus, p. 492 
an. Body short and deep, depth 4 in length; eye small. 8.6 in head; interorbital wider, 5 in head; dorsal rays 10; A. 10; 
scales 63,-18. . stamincus p. 493 
409. Awaous genivittatus (Cuvier & Valenciennes). “Od/no” Fig. 218. 
Head 3.4 in length; depth 4.75; eye 6.75 in head; snout3; interorbital 7; D. vi-i, 11; A. 13; P. 15; 
V. i, 6, 6, i; scales 52,— 11. 
Body elongate, compressed; head elongate; large, its depth 1.4 in its length, width 1.7; snout 
blunt, rounded, very convex in profile; mouth large, oblique, 2 in head; maxillary reaching below 
posterior portion of eye but not to posterior rim; jaws large, terminal, the lower very slightly pro- 
Fig. 218 , —Aivaous f/eiiivittatus (Cuvier & Valenciennes): after Gunther. 
duced; teeth in jaws small, unequal, sharp-pointed; vomer and palatines edentulous; lips broad, 
fleshy; tongue broad, more or less truncate, adnate to floor of mouth; anterior nostril very small near 
upper lip anteriorly, in a short tube; posterior nostril rather large, near front of eye; a large pore 
behind eye, and many smaller ones on top of head; interorbital space rather broad, flattened, 6 in 
head; cheek and side of head somewhat swollen, forming broadest part of body; gill-opening rather 
large, restricted to side, about 2 in head; pectoral rather long; scales small, finely ctenoid, very 
minute on top of head, enlarged on side of caudal peduncle; dorsal spines flexible, posterior longest; 
first dorsal spine 2.5 in head, fifth 1.25, sixth 2.2; first ray 2, ninth 1.1, last 1.3; anal similar to soft 
dorsal, first ray 3.25, ninth 1.2, last 1.7; caudal very long, middle rays longest, pointed 2.6 in head; 
pectoral broad, expanded, 1.1 in head; ventrals broad, 1.1, with very broad frenum in front without 
fringed margin; anal papilla large; caudal peduncle compressed, its length 2 in head, depth 2.75. 
Color in life of an example at Honolulu, olivaceous, crossed by about a dozen black bars, the 3 
below anterior part of second dorsal longest and darkest, the anterior bars obsolete in some specimens, 
in some running only on upper half of body, the belly being red; lower half of side and belly white; 
head olivaceous, a broad black band covering interocular space and extending through eye and across 
cheek to throat, broadening below; belly and branchiostegal region crimson; dorsal and anal pale rosy 
with cross streaks of brown spots; edge of dorsal fin darker rosy, of anal also darker rosy, and with a 
narrow white border; caudal and pectoral yellowish olive; ventrals pale rosy; iris brownish black. 
Color in alcohol, pale brown, slightly darker above; each scale on the middle of side with a 
brownish base showing as small vertical streaks; ten narrow brown vertical cross bars on side; a broad 
