no. CYCLOPTERID.E — CYCLOPTERI^IITHYS. 
745 
tlieir bases broad and procurrent; pyloric c^ca numerous; vertebra? 
13 + 10, the skeleton feebly ossified. Genera 2; species 4; iuliabiting- 
the northern seas ot both hemispheres. By means of the adhesive 
ventral disk these fishes are enabled to attach themselves very firmly 
to rocks OP other objects. 
{Discoholi; group Giiiither, iii, 154-158.) 
a. Spinous dorsal wanting; sldn smooth or nearly so Cyclopteiuchtiivs, 39.5. 
aa. Spinous dorsal present, sometimes disapi>earing with age; skin tul)erculate. 
CvcLOPTmtus, 396. 
395.— CVCI.OPTEKI€BiTISYS Steindachner. 
(Steiudachner, Ichth. Beitnige, x, 14, 1831: type Cydopiericlithijs glahcr Steind. = 
Cijdopttrus vcniricosus Pallas.) 
Body short and thick, rounded, covered with thick smooth skin, des- 
titute of bony tubercles (or nearly so?); tail slender, compressed, the 
body abruptly contracted to its base; head broad, obtuse; mouth ob- 
lique, the lower jaw prominent; teeth rather small, sharp, in two rows 
anteriorly; pseudobranch ine large; gills 3^; suborbital connected by a 
bony Stay with the preopercle; gill-opening small, above the base of 
the pectoral, which is broad and procurrent; venti’cal disk moderate, 
fringed. Dorsal short and high, of soft rays only, opposite the short 
anal, l>oth well separated bom the small caudal. {xu/.Xii-rspdg, round- 
finned; fish.) 
1142. vepslfieosHS (Steindachner) ,J. & G. 
Brown, with numerous round dark spots. Head broader than long, 
the greatest depth a little less than its length; eye small, round, 7 in 
head, the maxillary extending to below its middle. Head 3; depth 21. 
D. t); A. 7 ; P. 20; C. 11. L. 12 inches. {Steindachner.) Okhotsk Sea, 
northward. 
{Cyclopteriis veniricosus Pallas, Spicilegia Zool. vii, 15, t. 2, about 1770: {Cotyllsl) ren- 
tricosus Giiuther, iii, 498: Cydoptericlithyb ylaber Steind. Ichth. Beitriige, x, 14, 1881, 
taf. viii.) 
1143. C, sffolBeri (Pallas) .1. & G. 
Color blackish. Body ovate, smooth ; a single series of osseous 
tubercles along the middle of the liack to the origin of the dorsal fin; 
lower jaw longest; teeth small, unequal; eyes small, high; gill-opening 
reduced to a round foramen. Dorsal fin commencing on the mi<ldle of 
the back and extending to near the base of caudal; anal ending oppo- 
site dorsal. Peter and Paul’s Harbor, Bering’s Sea. {l^attas.) 
{Cydnpterus stelleri Pallas, Zoogr. Ross.-Asiat. iii, 73, 1811: (Cotylis?) stelleri Gun- 
ther, iii, 499.) 
