113. PLEURONECTID^ ETEOPUS. 
839 
structure of the head. Anal spine obsolete, [xu-^txo^, dog like; ylwfTaa^ 
tongue.) 
1295. Cr. paciiiciis Lockiugton. 
Olive brown, with darker blotches; fins blackish; blind side more or 
less dusky. Body elongate, elliptical; snout not blunt; interorbital 
space a narrow, scaly ridge; eyes large, 3 in head; mouth very small; 
teeth large and very broad, forming a continuous cutting edge on blind 
side only of each jaw; about 10 teeth iu lower jaw. Opercle above its 
angle wholly adnate to shoulder-girdle. Dorsal and anal fins low. 
Pectoral fins moderate, that of the colored side a little the longer, 
about two-thirds length of head; ventrals very small. Body exces- 
sively slimy in life. Head 4i; depth 3J. D. 102; A. 85; Lat. 1. 110. 
L. 12 inches. Alaska to Monterey; abundant in deep water. 
{Glyptoceplialiis ixicificm Lockiugton, Scieutific Press Suppl. i, 21, April, 1879: GJypio- 
cephaliis pacijicus Lockiugton, Proc. U. 8. Nat. Mus. 1879.) 
461.— ETROPUS Jordan & Gilbert. 
(Jordan & Gilbert, Proc. U. S. Nat. Mus. 1881, 3d4: type Etropus croasotus J. & G.) 
Eyes and color on the left side. Body regularly oval, deep and 
compressed. Head small; mouth very small, the teeth close-set, slen- 
der and pointed, somewhat incurved, mostly on the blind side; no teeth 
on vomer. Eyes small, separated by a narrow, scaleless ridge; margin 
of preopercle free. Ventrals free from anal, that of colored side in- 
serted on ridge of abdomen, its base rather long. Dorsal fin beginning 
above e^^e; caudal double truncate; anal without spine. Scales thin, 
deciduous, ctenoid on left side, cjmloid on blind side. Lateral line 
simple, nearly straight. Size small. This genus is a])parently allied 
to CitluiricktJiys, although the mouth is very small, {erpovj abdomen; 
foot; in allusion to the insertion of the ventrals.) 
1296. E. ci’ossotus J. & G. 
Light brown, with some darker blotches; fins mottled and spotted. 
Teeth in lower jaw on both sides, in upper on blind side only. Eyes 
large, separated by a narrow scaleless ridge, which extends above the 
opercle; edge of preopercle and especially of opercle on blind side 
fringed with white cilia. Caudal one-fourth longer than head; pectoral 
of left side three-fifths head; ventral of blind side longest, inserted in 
advance of the other. Head 41; depth 2. D. 80; A. 01; A . 0; Lat. 1. 08. 
L. 5 inches. Coast of Louisiana and Texas to Mazatlan and Panama; 
locally abundant. 
(Jordan & Gilbert, Proc. U. S. Nat. Mus. 1881, 3C4; 1882, — .) 
