740 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 



sal beginning- over ijectoral; nnal under ninth dorsal ray. HeadGS; 

 depth 5i. D. V, 02; A. 54; C. G; P. 23. L. 5 inches. Deep water off 

 the coast of Rhode Island; lately dredged by the U. S. Fish Com- 

 mission. 



(Goode, Proc. U. S. Nat. Mus. 1880, 478.) 



393.— CAKEPJSOCTUS Kruyer. 

 (Kiiiyer, Natnrh. Tidsskr. i, 257, 18B2: type Liparis reinhardi Kroyer.) 



Body elongate, semi-transparent, covered with thin lax skin ; mouth 

 oblique, the lower jaw projecting; teeth simple, hooked; ventral disk 

 small, situated far forwards, under front of eye; vent a little behind it, 

 far in front of anal tin. {/.apa, head; -puj/.-o:;, vent.) 



1130. €, g-eHatiiiossis (Pallas) Kroyer. 



Eose-colored; vertical fins violet; gill-cavity black. Ventral disk very 

 small, supported by a bilamellate cartilage descending from the throat; 

 vertical tins continuous. Body oblong, comjiressed, semi-transparent, 

 soft, and gelatinous; head thick, flat above; cleft of mouth nearly ver- 

 tical, as in Uranoscopus ; a series of i)ores along upper lip; jaws, palate, 

 and i)harynx rough with teeth; skeleton very weak. D. more than 50; 

 A. about 45; C. 6; P. 30; cceca 48; vertebme G4. [Gunther.) Alaska 

 and Kamtschatka; Greenland. 



(Cijclojjterus ffelafino-siis Pallas, Spicilegia, vii, 19, 17(iQ: Liparis geJatinosiis Gnuiher, 

 iM, 163? f Liparis gelatinosus Reiiih. Oversigt, &c. 1844, Ixxvii: ^Liparis reinJiardi 

 Kroyer, Naturli. Tidsskr. i, 252: ? Careproetus reinhardi Kroyer, 1. c,, 257, the Green- 

 laud form, thought by Dr. Krc'.yer to be different from C. gelatinosus.) 



391.— L.IPARIS Linnajus. 

 Sea-Snails. 



(Artedi; Liuutens, Syst. Nat.: type Ciidopterus Jiparis'L.) 



Body rather elongate, covered with smooth skin, which is usually 

 freely movable; head short, flattened above; mouth horizontal, the 

 lower jaw included; teeth in several series, usually tricuspid; maxil- 

 lary covered by skin of preorbital region; ventral disk well developed, 

 on the breast, its front below or behind the middle of the bead; vent 

 well behind the head, about midway between sucking-disk and anal fin. 

 Dorsal flu continuous or divided, its spines hardly differentiated ; dorsal 

 flu free from caudal or not; pectoral emargiuate, some of the lower rays 

 produced; vertical fins enveloped in skin. Northern seas (one species 

 known from Chili). (;j-a,ow?, sleek-skinned, shining.) 



a. Dorsal fin continuous. {Liparis.) 



b. Dorsal tin connected with the caudal. 



