N0.1259. DISCOBOLOUS FISHES OF JAPAN— JORDAN AND SNYDER. 345 
cheek, on a vertical passing between pupil and posterior edge of orbit; 
a third just posterior to angle of preopercle. 
Dorsal fins 2, the first inserted immediately above gill opening; its 
rays enveloped in a thick, fieshy covering which almost completelv 
conceals them; insertion of second dorsal a little in advance of anal, 
the rays of both fins with thin membranes, extending when depressed 
a little beyond base of caudal. Pectoral large, rounded posteriorly, 
its edge continuous. Ventral disk romid, with a wide, free margin; 
its diameter contained If times in length of head. 
Color in spirits, light ))rown, without spots or bands. 
The species is known from specimens about 300 millimeters in length, 
from Kominato, in the province of Awa, at the mouth of Tokyo Bay. 
Fig. 1. — Lethotkemi's aw.e. 
Type. — No.^ 6539, Leland Stanford Junior University Museum. 
One of the cotypes diifers from the specimen described in having a 
long, slender barbel over eye, posterior to nostril tube; a row of 4 
small, slender barbels below eye; a row of 4 — the first of which is 
shortest, the last being longest — extending from near mandibular sym- 
physis posterioi'ly to opercle; a few minute barbels on upper posterior 
part of head. 
The type and other specimens were presented to the university by 
Dr. Ishikawa. Similar examples are in the Imperial Museum of Tokyo, 
No. 629. 
2. CYCLOPTERICHTHYS Steindachner. 
Cj/cIopterichi}q/><STEi-ST)ACHSKR, Ichth. Beitriige, X, 1881, p. 14 {glaber=rentrico8us). 
Body short and thick, rounded, covered with thick, smooth skin, 
destitute of bony tubercles; tail slender, compressed, the bod}" abruptly 
contracted to its base; head broad, obtuse; mouth oblique, the lower 
