122 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxiv. 
29. EUT.^NIICHTHYS Jordan and Snyder, new genus. 
Euticniidithys new genus {gilli) . 
Body elongate, compressed, with rudimentary, embedded, rather 
small, cycloid scales. Head short; mouth small, oblique, the chin not 
prominent; teeth simple; isthmus broad; no barbels; dorsal rays 
III, 17; anal 12, the soft dorsal much larger than the anal, and begin- 
ning- far in front of it. Ventrals well developed. Caudal pointed, 
Japan. 
{Eutmnla, a garter snake; ft", well; raivia^^ ribbon; ix^^'s, lish. 
53. EUT.(ENIICHTHYS GILLI Jordan and Snyder, new species. 
Head 6i in length; depth 11; depth of caudal peduncle 8 in head; 
eye 4i; D. III-18; A. 11. 
Body very long and slender. Snout blunt, about equal in length 
to diameter of eye; jaws equal. Eyes directed obliquely upward; 
interorbital space narrow. Mouth oblique, cleft reaching a vertical 
Fig. 28.— Eut.'eniichthys gilli. 
through anterior edge of pupil. Teeth simple, curved, in 2 or 3 rows 
on each jaw; no canines. Gill openings not extending far forward 
below; the isthmus broad. No papilhe on inner edge of shoulder 
girdle. No barbels on head. 
Head naked; body with rather small, round, cycloid, scattered scales. 
Dorsals separate, the spinous dorsal far in advance of soft dorsal; 
spines short, slender; soft dorsal, when depressed, not quite reaching 
caudal. Anal inserted below anterior third of dorsal, extending as far 
posteriorly as does the dorsal. Caudal acutely rounded. Pectoral 
pointed, the upper edge without free tilaments. Ventrals long, free 
posteriorly. 
Color in spirits yellowish white; a broad band of brownish and 
blackish dots extending along sides throughout the entire length, the 
color on caudal fin darker than that of body; median dorsal region 
with brown dots grouped together, forming spots of irregular outline. 
The species is easily recognized by its short spinous dorsal and very 
slender body. Known only from four specimens about 35 mm. long, 
collected by Dr. K. Kishinouye in the Tone River, near Tokyo. Type 
No. 61:62, Leland Stanford Junior University Museum. 
(Named for Dr. Theodore Gill, in recognition of his studies of 
Japanese gobies.) 
