19. B.VllBUS. 151 



liiiid the root of the ventral. Anterior anal ray bony. Each scale 

 g'mcrallj' with a dark spot at the base ; generally a blackish spot on 

 the end of the lateral line. 



Sumatra ; Java ; Eorneo ; Banka. 



a, h. Adidt. Purchased. 



c. Half-grown. Java. From Dr. Bleeker's Collection ; one of the 

 typical specimens of his S. apogonkles. 



146. Earbus janthochir. 



Systomus janthochir, Bleek. Nat. Tydschr. Ned. Ind. v. p. 448. 

 Cyclocheilichthj's (Auematichtliys) janthochir, Bleek. Prodr. p. 381 ; 

 or Atl. Ivhthyol. Cypr. p. 89, pi. 31. fig. 3. 



D. 12. A. 8. L. lat, 34. L. transv. 6|/6. 



The osseous dorsal ray is rather feeble, finely serrated, and not 

 longer than the head. There are four longitudinal series of scales 

 between the lateral Une and the I'oot of the ventral fin. Snout of 

 moderate extent, somewhat pointed, with the lower jaw received 

 within the upper. Upper profile of the head straight. The height 

 of the body is but little more than the length of the head, and two- 

 sevenths of the total (without caudal). Origin of the dorsal fin a 

 little behind that of the ventral. A narrow blackish band runs 

 along the lateral line. Dorsal and caudal fins with broad blackish 

 mary,ins ; dorsal blackish in its lower anterior part. 



Borneo. 



a. One of the tyjiical specimens. From Dr. Bleeker's Collection. 

 147. Barbus proctozysron. 



Puntius proctozysron, Bleek. Nederl. Tydschr. Dierk. 1804, p. 197; or 

 Versl. en Meded. Akad. Wet. Natuurk. xvii. p. , c. tab. 



D. 11. A. 7-8. L. lat. 36-37. L. transv. ^. 



Amdjtn loith a lomf serrated osseous rnij ; the osseous dorsal ray 

 is of moderate strength, at least as long as the head, and serrated. 

 There are seven longitudinal series of scales between the lateral hne 

 and ventral fin. Snout obtuse, with the upper profile convex. 

 Profile of the nape concave. The height of the body is one-half of 

 the total length (without caudal), the length of the head two- 

 sevenths. Origin of the dorsal fin a little behind that of the ventral. 

 Coloration xmiform. {Blkr.) 



Siam. 



B. i. lat. less than 30. 



148. Barbus duvaucelii. 



Leuciscus duvaucelii, Ciiv. i^- Val. xvii. p. 95, pi. 491 (not p. 77). 

 Systomus duvaucelii, Bleek. Prodr. Cypr. p. 278 (name only). 



D. 10. A. 7. L. lat. 27. 

 The osseous dorsal ray is feeble and smooth. The height of the 

 body is contained twice and two-fifths in the total length (without 



