710 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 
braues not broadly united, nearly free from istbinus. Dorsal fins well 
separated; spinous dorsal short and low, its height little more than 
length of snout; second dorsal very large, 3 times height of first, its 
longest rays about as long as head; anal high, half as high as second 
dorsal; pectoral long, reachiug past front of anal; ventrals well devel- 
oped; lateral line chain -like, conspicuous; skin perfectly smooth. Head 
3; depth G. D. VII-18; A. 15; V. 1,3. L. 3 inches. Deej) waters of 
the Great Lakes. 
(Girard, Proc. Best. Soc. Nat. Hist, iv, 19, 1851; Girard, Monogr. Cott. 65: Pt!j07wtus 
Ihomjjsoiii Giiuther, ii, 175, the name TrUjlopsw being set aside ou account of the prior 
Triglops.) 
370.— ENOPHRYS Swainson. 
{Aspicottus Grd. : Clypeocottus Ayres: Ccratocottus Gill.) 
(Swaiinson, Class. Fish. &c. 1839, 271: type Coitus claviyer C. & V.) 
Body short and thick, depressed anteriorly. Head very large, mailed 
above with rugose, bony idates; a series of large, rough, bony plates 
along lateral line; no scales. Teeth in villiform bands in jaws and on 
vomer, none ou palatines; preopercle with strong, straight spines; sub- 
orbital stay broad, externally bony; gill-membranes joined to the isth- 
mus, not forming a fold across it; a slit behind fourth gill. Dorsal fius 
separate, the anterior short, not notched; anal short. Intestinal canal 
elongate. Herbivorous, feeding chiefly ou algm. (ev, on ; eye- 
brow.) 
1091. E. bisoai (Grd.) J. & G. — Stone Sculpin. 
Olivaceous above, variegated with blackish and reddish, yellowish 
below ; fins olivaceous, marked with black ; ventrals pale. Snout blunt; 
maxillary reachiug beyond pupil; external bones of head rough-granu- 
lar; iuterorbital space elevated and concave, the orbital ridge without 
spine; suborbital stay covering most of cheek; a ridge extending back- 
wards from each eye, the two connected by a cross ridge at occiput; the 
ridges are large and rough, and the space between them is concave; 
preopercle with 4 spines, the up^ier very long, straight and rough, 
usually reaching past opercle, a little more than one-third head; oper- 
cular ridge very broad; subopercle with 2 diverging spines; a single 
series of large, rough, granular plates along sides, from opercle to base 
of caudal, the plates without keel or spine and growing smaller behind; 
spinous dorsal small, much lower than soft rays; anal short. Head 2^; 
depth 4. D. VIlI-12; A. 9. L. 12 inches. San Francisco to Alaska; 
