£23 FISHES OF SINALOA. 495 
slender, some filamentous; caudal lanceolate; teeth sharp, 
rather small, the outer larger; lower jaw thin and flat, its 
acutish tip elevated. 
Olive, speckled and marbled; side with five oblong black 
spots, the smallest at base of caudal; a black blotch on 
opercle; dark cross-bars under soft dorsal; head much 
mottled; dorsal speckled; caudal with ten zigzag cross- 
bars of dark specks; pectoral faintly barred; anal and 
ventral plain; a dark curved streak about yellowish base 
of pectoral; lower lip dusky; a blackish cross-blotch above 
gill opening. 
In the adult, called Godbzus longicauda, the caudal is 
much longer, but there is no other difference of impor- 
tance. 
205. Gobius manglicola Jordan & Starks n. sp. 
One specimen found in the mud of the Astillero among 
the roots of mangrove bushes ( PAzzophora mangle ). 
Head 4%; depth 5%; D. VI-12; A. 12; scales about 
35, not to be exactly counted; caudal lanceolate, 2% in 
body; pectoral about equal to head; dorsal spine slender, 
not filamentous, 1% in head; eyes large, close together, 
the range partly vertical, the narrow interorbital deeply 
furrowed; no flaps on shoulder girdle; scales moderate, 
ctenoid anteriorly, becoming smooth behind; median keel 
on head slight; head naked. 
Body long, compressed, the head depressed, the cheeks 
tumid; snout bluntly truncate; mouth large, the maxil- 
lary reaching the middle of eye, not produced backward, 
truncated behind, somewhat oblique, the lower jaw a lit- 
tle the longer; lower jaw flat; teeth strong, the outer in 
both jaws enlarged; cranium without median crest, ab- 
ruptly widened behind eyes. 
Color light olive mottled with darker; six oblong 
blotches of blackish on sides as in Godzus boleosoma, the 
