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a. Danio s. str. Dorsal fin elongate, with 12 — 16 branched 

 rays. Lateral line complete. — Continental Asia, Ceylon. 



b. Brachydatiio subg. n. Dorsal fin short, with 7 branched rays 

 only. Lateral line incomplete or absent. 



I. Danio (Brachydanio) albolineata (Blyth). 



Nuria albolineata Blyth, Journ. Asiat. Soc. Bengal, i860, p. 163. 

 Danio albolineata Day, Fishes of India 4°. 1878 — 1888, p. 597. 

 Danio albolineatus Day, Fauna Brit. India, Fishes I. 1889, p. 358. 



D.2.7; A. 3.13; P. I. II; V. 1.6; Sq.1.31— 33; L.tr.S'/,. 



Oblong. Height about equal to head, about 3.5, 4.5 in length 

 with caudal. Eye about 3, longer than snout and shorter than 

 interorbital space. Barbel at corner of mouth surpassing base 

 of pectorals, the rostral ones nearly reaching to hindborder of 

 praeoperculum. Origin of dorsal slightly before that of anal, 

 its height one fourth less than length of head and equal to height 

 of anal, separated by 16 scales from occiput. Ventrals some- 

 what longer than half head, reaching to anus. Pectorals some- 

 what shorter than or equal to head. Caudal emarginate, as 

 long as head. Lateral line running down in an irregular line 

 and ending shortly before base of ventrals. Least height of 

 caudal peduncle less than half head, surrounded by 10 scales. 

 Ten short, broad, flattened, rather widely-set gillrakers. Colour 

 of formol specimens light reddish, upper surface dark brown, 

 gradually lighter towards belly. A light band (scarlet in living 

 specimens) from the base of caudal running forwards and 

 tapering in a point below origin of dorsal. A median black 

 line on the back. Fins hyaline, a longitudinal darkish band 

 on the dorsal and anal, other fins more or less dusky. Length 

 about 40 mm. (50 mm. according to Day). 



Habitat: Sumatra (Pond near Medan, lowland of Deli!, 

 Karo-table land !) ; collected by Dr. L. Pil. DE BUSSY. — 

 Mulmein. 



In tanks and streams. 



4. Luciosoma Bleeker. 



(Bleeker, Nat. Tijdschr. Ned. Indie, IX. 1S55, p. 264). 



Elongate, compressed. Dorsal profile nearly straight. Head 

 pointed. Mouth obliquely ascending, its gape wide; lower jaw 



