otherwise separated from it by a narrow furrow. Postlabial 

 groove .only laterally developed. A small tubercle at the inner- 

 side of the symphysis of the lower jaw. A rostral and a 

 maxillary pair of barbels. Eye 

 with a free circular rim, more 

 developed anteriorly. Dorsal 

 elongate, commencing before 

 ventrals and ending above 

 anal, without osseous ray and 

 with 21 to about 30 branched 

 rays. Anal short, with five 

 branched rays. Scales small 

 or moderate. Lateral line 

 complete, running along the f ig ; 53- Mouth of 



r ' & . e a rostral, b maxillary barbel; Ij lower jaw 



middle of the tail. Sensory witn s h arp edge; // lower lip; rf rostral 



tubes undivided. No sensory fold; / upper lip. x 5- 



folds on head. Gillmembranes 



united and united to isthmus. Gillopenings rather wide, reaching 

 nearly opposite to hindborder of eye. Pharyngeal teeth obli- 

 quely truncate, 5.4 or 3.2 2.4 or 3.5. 



Distribution: Indo-australian Archipelago (Sumatra, Java, 

 Borneo), Philippines, Malacca, Tenasserim, Burma, Siam, China. 



Key to the in d o-australian species. 



A. Linea lateralis with more than 60 scales D. ocellata p. 114. 



B. Linea lateralis with 50 53 scales D. fasciata p. 114. 



C. Linea lateralis with less than 50 scales. 



1. 39 41 scales in lateral line, above it 6\ 7 trans- 

 verse series of scales. 



a. Head 4.7 5.2 times in length D. cuvieri p. 115. 



b. Head somewhat more than 4 times in length . . D. kuhli p. 117. 



2. 36 38 scales in lateral line. 



a. Linea transversalis I . D. 4.22 23 D. sumatrana p. 117. 



b. Linea transversalis I . D. 4.25 26 D. f estiva p. 118. 



7l 



Note: BLEEKER mentions in Natuur- en Geneeskund. Archief 

 voor Nederl. Indie II (3), 1845, p. 513, a fish, called by the 

 natives of Batavia ^Ikan Mielim", as Dangila urostigma Val. 

 He gives no description or further explanation of this fish. 

 We are not aware, that VALENCIENNES described a fish under 

 this name. 

 INDO-AUSTRALIAN FISHES III. 8 



