196 CYPRlNIDiE. 



the sides of the body, more distinct and better defined in young in- 

 dividuals than in old ones. 

 East-Indian archipelago. 



a. Type of i?. dusonensis. Prom Dr. Blocker's Collection. 



b. Type of R. argi/rot'i'nia. From Dr. Bleeker's Collection. 



c. One of the types of M. borneensis. From Dr. Bleeker's Collection. 



6. Rasbora leptosoma. 



Leuciscus leptosoma, Sleek. Nat. Tydsch. Ned. Ind. ii. p. 269. 

 Rasbora leptosoma, Bleek. Prodr. Cypr. p. 446 ; or Atl. Ichthyol. 

 Cypr. p. 12:{, tab. 43. tig. 4. 



L. lat. 31. The origin of the dorsal fin is much nearer to the 

 base of the ventrals than to the anal. The length of the head is 

 two-ninths of the total (without caudal). A more or less distinct 

 silvery band along the side. 



Sumatra. 



a. One of the typical specimens, not in good state. Lahat. From 

 Dr. Blocker's Collection. 



7. Rasbora buchanani. 



Cyprinus rasbora, Ham. Buck. Fish. Gang. pp. 329, 391, pi. 2. fig. 90. 

 Leuciscus rasbora, M' Clell. Ind. Cypr. pp. 292, 407 ; Cant. Mai. 



Fish. p. 268 ; Bleek. Verh. Bat. Gen. xxv. Beng. Sf Hindost. p. 140. 

 Rasbora buchanani, Bleek. Prodr. Cypr. p. 451 ; or Atl. Ichthyol. 



Cypr. p. 125, pi. 14. fig. 3. 



L. lat. 25-26. The origin of the dorsal fin is nearer to the base 

 of the ventrals than to the anal, and opposite to the ninth scale of 

 the lateral line. The length of the head is a little less tlian one- 

 fourth of the total (without caudal) ; pectoral fin as long as the head. 

 Coloration nearly uniform, a faint silvery streak along the side. 



Assam ; Bengal ; Pinang. 



a. Adult. River Hooghly. From Dr. Bleeker's Collection. 

 b-e. Adult : skins. Pinang. From Dr. Cantor's Collection. 

 d-e. Adult. Purchased of Mr. Frank. 



8. Rasbora sumatrana. 



Leuciscus sumatranus, Bleek. Nat. Tydschr. Ned. Ind. iii. p. 601. 

 Rasbora sumatrana, Bleek. Prodr. Cypr. p. 453 ; or Atl. Ichthyol. 

 Cypr. p. 126, pi. 20. fig. 3.- 



Scarcely distinct from B. buchanani. 



L. lat. 25. The origin of the dorsal fin is nearer to the base of 

 the ventrals than to the anal, and opposite to the tenth scale of the 

 lateral Kne. The length of the head is contained thrice and one- 

 half or thrice and two-thirds in the total (without caudal) ; pectoral 

 fin scarcely as long as the head. Coloration imiform. 



Sumatra. 



a. Type of the species. Solok. From Dr. Bleeker's Collection. 

 Although Dr. Bleeker states that in this species the dorsal fin is 



