220 Annals of the Carnegie Museum. 



pectoral scarcely reaching the base of ventral; \entral fin opposite the 

 dorsal, inserted beneath the first branched dorsal ray; anal entirely 

 behind the dorsal, anterior ray the longest; caudal fin deeply emargi- 

 nate, tip of each lobe sharply pointed; the depth of caudal peduncle 

 2.83. 



Body covered with thin cycloid scales; lateral line continuous, 

 extending along the middle of the tail, slightly decurved. 



Color in alcohol pale yellowish gray above, lower parts whitish; 

 most of the scales speckled with black; top of the head rather dark; 

 dorsal fin white, each ray with black spots; caudal fin dusky, spotted 

 with black; other fins whitish. 



Total length 79 mm. 



Described from a specimen from Tozen River, collected by T. 

 Aoki in December, 1916. 



Habitat: Tozen River (a single specimen). 



Remarks: Named for Prof. Isao lijima of the Science College, 

 Imperial University of Tokyo. 



This species resembles Gnathopogon coreanus (Berg)^ from Corea, 

 but has shorter barbels and thirty-three scales instead of thirty-five 

 in the lateral line. 



Genus PsEUDOGOBio Bleeker. 



1863. Pseudogobio Bleeker, Atlas Ichthyol., Cyprin., p. 29. (Type Gobio 

 esocinns Temminck & Schlegel.) 



Body elongate, rather slender and tapering behind. Head elon- 

 gate, pointed; snout long, concave above, and slightly produced, with 

 its tip bluntly rounded; eye small, nearer posterior edge of opercle 

 than tip of snout; mouth small, protractile downwards, inferior, the 

 maxillary not reaching nostrils: lips broad, fleshy, and covered with 

 well-developed papillae; a rather short, thick maxillary barbel; teeth 

 small, 6 or 5, 2-2, 5 or 6; interorbital space broad and concave. Intes- 

 tine short. Peritoneum silvery. Scales moderate, cycloid, about 

 forty-two. Origin of the dorsal nearer tip of snout than base of 

 caudal; origin of anal far behind tip of depressed ventral; caudal 

 emarginate; ventrals inserted well behind origin or dorsal. Lateral 

 line almost straight or very slightly decur\ed and continuous. Dorsal 

 and caudal with distinct narrow blackish cross-bands. (Jordan and 

 Fowler.) 



Distribution: Formosa; China; Jai)an. 



^ Leiicogobio coreanus Berg, Ann. Mag. Nat. Hist. (7), 1906, p. 394; River Sam- 

 bau, Kyong-sang-do, Corea. 



