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PROCEEDINGS OF THE NATIONAL MUSEUM. 
VOL. XXIV. 
caudal; anal lower than dorsal; the height of rays about 2 times the 
diameter of eye; membranes of both dorsal and anal flesh}^ Caudal 
rounded posteriorly. Pectoral rounded, the upper edge without fila- 
mentous rays. Ventral disk small, ])road, free posteriorly. 
Color in spirits light yellowish olive; upper parts darkened by a 
close stippling of blue-black, the points growing larger and farther 
apart on the ventral surface; dorsal parts and sides of head and l)ody 
with small, round spots of the light body color. Dorsal fin with about 
Fig. 29. — Luciogobius gutt.\tus. 
4 longitudinal rows of indistinct, small dark spots on the rays. Caudal 
with vertical, wavy, dark bands, broader than the light interspaces. 
Anal Avhite, except a very narrow dusky area at base. Pectoral dusky. 
Ventrals without dark color. 
A small species found living in little sandy pools under rocks at low 
Fig. 30. — Luciogobius guttatus (elongate example). 
tide; the specimens here described found among stones on one of the 
old artificial islands in the bay of Tokyo. We also have very numerous 
specimens from Hakodate, Wakanoura, Same, and a very small one 
from Nagasaki. In the rock pools of Hakodate Head they are espe- 
cially abundant. The species varies widely in depth of body and in 
breadth of the head. We are unable, however, to recognize more than 
one sDecies in the genus. 
{GuttcUus^ spotted.) 
