8<i8 PROCEEDINGS OF THE XATIOXAL MUSEUM. vul.xxih. 



17. PISOODONOPHIS Kaup. 



Pisoudoiiopliix Kalp, Apodal Fishes, 1856, p. 17 (horo). 

 Pisodontophix, amended spelling. 



Eels with the blunt teeth of myrlchilujx and the backward dorsal 

 and well-developed pectoral of Opli)chtliH><. Speciets slender, plainly 

 colored, mostly of the East Indies, (^r/croj, pea; o6ov>z, tooth; o^iz^ 

 snake. ) 



28. PISOODONOPHIS ZOPHISTIUS Jordan and Snyder, new species, 



Head o in trunk; head and body ig in tail. Body slender cylin- 

 drical; its depth 3i in head. Mouth moderate; its cleft 3^ in head; 

 snout sharp 5 in head; eye 9 in head; teeth small, all rounded or 

 granular in narrow bands; pectoral sharp ?>\ in head; dorsal inserted 

 just before its middle; dorsal fin rather high, distinctly elevated on 

 the black patch in front, low on the tail, which is sharp at tip. 



Color blackish above, paler below, with vague pale blotches on side; 

 head with dark lengthwise wrinkles; lower jaw with six black pores 

 on each side and three behind rictus; sides and top of head also with 



Fig. 15. — Pisoodonophis zoi'iusTirs. 



black pores regularly arranged; snout with dark markings; dorsal 

 with a large jet-black blotch in front; the fin posteriorly dusky, with 

 a broad i)lack edge; anal pale, with a blackish edge; pectoral black, 

 narrowh' edged with pale. 



One specimen received from Asakusa Aquarium in Tokyo, taken 

 outside the Bay of Tokyo, near Misaki. Type No. 6475, Loland Stan- 

 ford Junior University Museum. Its length is 21 inches. 



This species is evidenth" very close to Plmodonophis canerivfn'Ufi, as 

 described by (xiinther, Blceker, and Richardson. In all the numerous 

 figui'es of the latter species the pores behind the rictus characteristic 

 of 1\ zop/ustius are not represented, and none of Bleeker's figures 

 show the black blotch and peculiar form of the anterior part of the 

 dorsal. (C6(f)og^ dusky: iffrlov, dorsal.) 



18. XYRIAS Jordan and Snyder, new genus. 

 Xiiri<is JoKUAN and Sxyder, new geuns (rendftun). 

 This genus ditiers from Ojjkichthus in having the lateral teeth in the 

 upper jaw in a l)road band of a])out four series; lower teeth larger, 



