NO. 1303. JAPANESE OPHIDIOID FISHES— JORDAN AND FOWLER. 703 



small filaments; gill-rakers, 5+24 on the first arch and only lt> on the 

 lower part of the arch, long, attenuated, and well developed; hranchi- 

 osteg-als, S. 



Head and bod}' covered with small, smooth cycloid scales, i)erhaps 

 200 in a lateral series. 



Dorsal, anal, and caudal conflncMit, the latter ending in a point; 

 the dorsal beginning a little behind the base of pectoral; pectoral 

 small, pointed, and reaching more than half the distance in space 

 between its base and vent; ventrals close together, each of two fila- 

 ments and inserted below the head nearer the base of the pectoral than 

 the extremitj^ of the maxillary; undivided basal portion of the ven- 

 trals ecjual to two-thirds the eye. Lateral lines of large j^ores rather 

 widely separated, running along the base of the dorsal, the sides 

 medianly, the sides of the abdomen, and the base of the anal below. 



Color in alcohol for the greater part brown, the sides and lower part 

 of the head together with the abdomen l)lack; top of the head, snout 

 and orl)ital region gray-white. 



Flfi. Ci. — I'OROfiATWS GONTHERT. 



Length, Sy^g inches (211 millimeters). 



Tyjx.—^o. 50577, U. S. National Museum. 



Locality in Sagami Bay, at Station No. 3696, where it was dredged 

 in 501 to 74:9 fathoms by the IT, S. Pish Commission steamer Alhatross. 



Cotypes No. 7124 are in the Tchthyological Collections, Leland 

 Stanford Junior University 



(Named for Dr. Albert Ciinther.) 



14. PTEROIDONUS Gunther. 



Pieroido7ius Gunthek, Deep-Sea Fishes Challenger, 1887, p. 106 (qiiimpiarivx). 



Body elongate, compressed, covered with small scales. Head oblong, 

 thick, covered with scales; eye small; snout broad, with rounded pro- 

 file, including lower jaw, and without barbel; mouth wide, bands of 

 viiliform teeth in the jaws, on vomer, and palatines; operculum with 

 a straight spine; preoperculum armed. Eight branchiostegals; gill- 

 lamina3 rather short; gill rakers rather long, lanceolate, and widely set: 

 pseudobranchiffi none. Vertical tins united, but the narrow caudal 



