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Distribution: Indo-australian Archipelago (Sumatra, Nias, 

 Singapore, Riouw, Singkep, Banka, Biliton, Borneo, Java, Bali, 



Fig. 25. Rasi'ora ccphalotaciiia Blkr. X ^'Aa- 



Lonibok, Sumbawa). Eastern and southern Asia, one species 

 in Africa. 



Artificial key to the indo-australian species 



of R a s b o r a. 



A. Lateral line c o m pi e t e. 



I. Nine rows of scales between the lateral lines, 



counted over the back of the middle of the caudal ' 



peduncle. 



A. Pectorals shorter than head R. argyrotacjiia p. 61. 



B. Pectorals equal to or longer than head . . . . R. vaillaiiti p. 63. 

 II. Seven rows of scales between the lateral lines, 



counted over the back of the middle of the 



caudal peduncle. 



A. Origin of dorsal before or in the middle between 



snout and hindermost caudal scales, above or 



somewhat behind origin of ventrals. 



a. Least height of caudal peduncle more than 

 twice in its length. Caudal lobes or dorsal 

 without dark patch. 



1. Head 3.7 — 4.1 R. taxvarcnsis p. 63. 



2. Head 4.5 — 4.6 R. Icptosoma p. 65. 



b. Least height of caudal peduncle twice in 

 its length, caudal lobes and dorsal without 



dark patches. Head equal to height, 4 — 4.4. R. volzi p. 66. 



c. Least height of caudal peduncle less than 

 twice in its length. 



I. Caudal lobes with a black subterminal 

 band. Twelve scales between dorsal and 

 occiput R. trilincata p. 67. 



