NO. 1244. GUBIUID FISHES OF JAPAN— JORDAN AND SNYDER. 
95 
posteriorly; lower jaw with 2 or 8 much euliiroed teeth near the syni- 
})hysis, these followed on each side by a few sinalhn* ones; then '2 larger 
curved canines, after which the teeth are abruptly smaller. Gill open- 
ing not extending- very far forward; the width of isthmus about equal 
to dianieter of eye. No papilhx? on inner edge of shoulder girdle. 
Cxill-rakcrs slender. 
Head naked except on occiput; l)ody everywhere covered Avith small, 
tinely ctenoid scales. 
Dorsals separate; spines slender; the lirst short; the .second, third, 
fourth, and fifth nota])ly elongated; the others much shorter though 
having free tips; rays somewhat longer anteriorly than posteriorly. 
Anal inserted below Ijase of fourth or fifth dorsal rays; when depressed, 
reaching as far posteriorly as does the dorsal; both falling far short of 
Fig. 19. — Pterogobius zonoleucus. 
basoof caudal. Caudal truncate or ver}' obtusely roiuided. Pectorals 
with free filaments on upper edge; 2 filaments to each i-ay bearing 
them. Ve! trals short; free posteriorl3\ 
Color rather dark above, with 8 narrow, indistinct, light, vertical 
bauds; fins du.sky; the soft dorsal with 2 dark long-itudinal bands; the 
upper being lighter and less distinct than the lower; anal with a dark 
longitudinal band; ventrals almost black. 
T^'pe No. 6454, Leland Stanford Junior Univ<>rsity ]\luseum. from 
]Misaki, Japan. 
A smaller specimen from the same locality has larger eyes; is much 
lighter in color, showing just a trace of the vertical bands. No ])auds 
can l)e distinguished on the fins. 
Three specimens were obtained aljout the rocks of Yoga Island at 
Mi.saki. 
{Ccjvi/. zone; XevKos, white.) 
