746 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxv. 



aa. Dorsal fin continuous, of soft rays only Zoarces, 2. 



h. Lycodin:c: Ventral fins present. 



c. Vomer and palatines with teeth; lower jaws without Ijarbels; dorsal fin 



without sculptured scutes at base; body slender, the depth 12 to 20 in 

 the length; lateral line lateral in position; pectoral fin with rounded out- 

 lines, the lower rays not greatly produced LycencJielys, 3. 



bh. Ventral fins entirely wanting. 



d. (iynmelinx: Teeth moderate, nearly uniform on jaws, vomer, and palatines; 



body scaly; body compressed, not very slender; skull cavernous. 

 Bothrocara, 4. 



2. ZOARCES Cuvier. 



Enchelyopufi Klein, Ichthyologia, Missus, IV, 1747, p. 52 (non-binomial; not oi 



Bloch and Schneiders A'/imoHemMs Gill). 

 Zoarces Cuvier, Regne Animal, 2d ed., II, 1829, p. 175 {viviparus) . 

 Zoarchus Swainson, Nat. Hist. Class'n Fishes, II, 1839, p. 283 {viviparus). 

 Enchelyopus Gihh, Proc. Ac. Nat. Sci. Phila., 1863, p. 258 {viviparus; not of Bloch 



and Schneider). 

 Macrozoarces Gihh, Proc. Ac. Nat. Sci. Phila., 1863, p. 258 {aDijmUaris). 



Bod}^ elongate, compressed, tapering- posteriorly; head oblong-, 

 heavy, narrowed above, the profile deeurved; mouth large; teeth 

 strong, conic, bluntish in 2 series in the front of each jaw and 1 series 

 on the sides; teeth in outer series larger; no teeth on vomer or pala- 

 tines; dorsal fin very long, low, some of its posterior ra3^s much lower 

 than the others, developed as sharp spines; pectoral fins broad; ven- 

 trals jugular, of 3 or 4 soft rays; scales small, not imbricated, embedded 

 in the skin; lateral line slender, lateral in position; size large; species 

 viviparous. The American and Asiatic species (subgenus Maciyjzoarces) 

 difler from the European type of Zoarces Cuvier, in the increased 

 number of fin rays and vertebra?. In Zoarces viviparus (Linnajus), the 

 European eelpout, the dorsal rays are about 100, the anal about 85, 

 and the number of vertebrte is proportionally diminished. 



[ZcoapKTjg, viviparous.) 



2. ZOARCES ELONGATUS Kner. 



Zoarces sp. Kner, Neue Fische, Godeffroy Mus., 1865, p. 13; Decastris Bay, 



Manchuria. 

 Zoarces elongcdus Kner, Sitzungsber. Akad. AViss. Wien, 1868, p. 52, pi. vii, fig. 2; 



Okhotsk Sea (No. 1502 Wien. Mus.). 



Head Oi to 6f ; depth 9 to Hi; D. 80 to 86-VII to XVI-28 to 

 30; A. 95 to 98, or more; P. 20; depth of body If to If in head; 

 eye 4 to 7; snout 3| to 5i; maxillary 2i to 8i; pectoral li to li; 

 head 1^ to li in trunk; head and trunk 1| to If in tail. 



Body rather stout, compressed, elongate, and tapering to a point 

 behind. Head oblong, compressed; snout bkuit, very obtuse, convex, 

 and rounded; eyes small, anterior, lateral in position, and much larger 

 in the j^oung; nostrils on the sides of the snout, small, and nearer the 



