111. GOBIESOCID^E. 747 
to Puget Sound uiid Blaine. Here described from an Alaskau specimen 
of “ C. orhu.’’'’ ' 
(Miiller, Prodr. Zodl. Dan. ix, 1777; Fabriciiis, Fauna Grcenlandica, 1780, 134; Giin- 
tliei’jiii, 157 : Cijcloptcrus orbis Giinther, iii, 158, 1861, specimen from Vancouvers Island.) 
aa. Dorsal spines euveloi)ed in a flesliy hump in adult; gill-openings larger; ventral 
disk small. ( CucJopterus . ) 
1145. C. IWBsaptas L. — Lump-Suckcr; Lump-fish. 
Olivaceous, with darker markings; skin punctulate. Head heavy, 
almost round; interorbital space very wide, flattish; maxillary reaching 
to or slightly beyond front of eye; gill-openings extending from level of 
upper margin of eye to 0 ])posite middle of base of pectorals; length of 
gill-opening about eipial to base of pectoral, three-fifths length of head, 
eiptal to length of ventral disk; a fieshy hump on the back, which, in 
the adult, covers the spinous dorsal; skin with small tubercles, and 
about 7 rows of larger spinous plates ; a median dorsal row, which 
divides and turms two series behind the hump; two lateral rows, of 
which the lower has larger plates; one abdominal row on each side. 
Head 34; depths. D. about VI I-IO; A. 10. Xorth Atlantic; rather 
common on the coasts of America and Europe. 
(Liuuaens, Sj^st. Nat. ; Giinther, iii, 155: Liimpm aiiglorum Dekay, N. Y. Fauna, Fish. 
305.) 
Family CXI— GOBIESOCIDiE. 
Body rather elongate, broad and depressed in front, covered by 
smooth, naked skin; mouth moderate; upper jaw ])rotractile; teeth 
usually rather strong, the anterior conical or incisor-like; ])osterior 
canines sometimes present ; no bonj’ stay from suborbital across 
cheeks; opercle reduced to a small spine-like projection concealed in 
The skin, behind angle of the large preopercle; psendobranchim small 
or wanting ; gills 3 or 2.1 ; gill-membranes broadly united, free or 
united to the isthmus; dorsal fin on the posterior jiart of the body, 
ojiposite to the anal and similar to it, both fins without spines; v*entral 
fins wide apart, each Avith one concealed S])ine and 4 or o soft rays. 
Between and behind the veutrals is a large sucking-disk, the ventrals 
usually forming part of it.* This sucking-disk, which is dificrent in 
structure from that of Cydopteriis and Liparis., is thus described by 
Dr. Giinther:* 
“The whole disk is exceedingly large, subcircular, longer than broad, 
its length being (often) one third of the whole length of the fish. . The 
