The Fresh Water Fishes of the Island of Formosa. 219 



Measurements of Spinibarbus hollanei. 



Genus Gnathopogon Bleeker. 

 i860. Gnathopogon Bleeker, Ichth. Archipel. Indie. Prodr., II, p. 434. (Type 



Capoela elongata Temminck & SchlegeL) 

 1872. Sqnalidus Dybowski, Verb. ZooL-Bot. Ges. Wien, XXII, p. 215. (Type 



SqtiaUdus chankxnesis Dybowski.) 

 1896. Leiicogobio Gunther, Ann. Ac. Sci. Petersb., p. 212. (Type Leucogobio 



hersensteini Giinther.) 

 Body elongate, compressed; abdomen not carinated. Scales of 

 moderate size; lateral line continuous, running along the middle of the 

 tail. Mouth anterior and oblique, with a minute maxillary barbel at 

 the corner; both jaws with simple, narrow lips. Dorsal fin short, 

 without spine, inserted in front of, or behind, that of the ventral. 

 Anal fin short, with not more than six branched rays. Gill-rakers 

 rudimentary; pharyngeal teeth 5, 3 or 2 or i — i or 3, 5, slightly hooked. 

 Distribution: Formosa; China; Corea; Japan; Amur Provinces. 



26. Gnathopogon iijimae sp. nov. (Plate LI, Fig. 2). 



Head 3.70 in length; depth 4.85; D, 3, 7; A. 2, 6; P. 16; V. 7; width 

 of head twice in its length; eye three times in head; interorbital space 

 3.6; snout 3; pectoral 1.3, thirty-three scales in the lateral line, four 

 scales in an oblique series between origin of dorsal and lateral line, 

 four scales between the latter and the middle of belly; pharyngeal 

 teeth 5, 3 — 3, 5; gill-rakers rudimentary; five branchiostegals. 



Body elongate, compressed, abdomen not carinated; head mod- 

 erate, its top more or less convex; snout pointed anteriorly, its tip 

 swollen, interorbital space rather flat, with bony ridge along superior 

 margin of the orbit; mouth oblique, with very thin lips; upper jaw 

 longer than the lower; barbels two, maxillary, minute, about half as 

 long as the diameter of eye; eyes large, superior and slightly anterior; 

 nostrils close together, nearer to eye than to tip of snout. 



Origin of the dorsal slightly nearer the tip of snout than the base of 

 caudal, first simple ray very short, the second about half as long as the 

 third, anterior divided ray the longest, nearly as long as the head: 



