11 F. Day — Monograph of Indian Cyprinidee. [No. 1, 



snout. Suborbital ring of bones broad, the third nearly covering the cheek. 

 The posterior extremity of the maxilla reaches to below the anterior third of 

 the orbit. No barbels. — Fins : dorsal arises midway between the eye and the 

 base of the caudal, it's anterior rays as long as the head -without the snout, 

 the posterior rays extend half way to the caudal fin which is lobed. — Scales : 

 1\ rows between the lateral line and the base of the ventral fin.— Co lours : 

 silvery, above tinged with green, lighter below ; fins yellowish, the upper half 

 of the dorsal stained greyish. Eyes silvery. 



Sab. — Grangetic provinces ; attaining 4 inches in length. The Solio is 

 said to differ in its abdomen not being yellow, and having a scale-like 

 appendant above both pectorals and ventrals. 



22.* Baeilius hoalius. 



Cyprinus hoalius, Ham. Buch., Fish. Ganges, pp. 336, 392; *Cuv. and Val., xvi, 

 p. 442. 



Hayali, Beng. 



B. III. D. 9, V. 9, A. 10. 



" Form much compressed, straightish above and prominent below. # # # 

 The head is small, the jaws equal in length, # # # the lateral line is bent 

 parallel to the edge of the belly." — Fins : " The fin of the tail is divided into 

 two lobes." — Colours : green above, silvery below. 



Sab. — Rivers in Northern Bengal ; attaining six inches in length. 



Genus. Danio, Sam. Buch. sp. (see PL I.) 



Perilampus sp., McClelland. 

 Pa/radanio et Bevario, Bleeker. 



Body compressed, abdomen rounded. Pseudobranchice present. Mouth 

 narrow, directed obliquely upivards. Suborbitals broad. Barbels four, or 

 two, or none. Pharyngeal teeth hooked, 5, 3, 2/2, 3, 5. Dorsal fin moder- 

 ately elongated, its posterior rays being opposite the anal which is long. 

 Scales of moderate size. Lateral line eoncave, passing to the lower half of 

 the tail. Grill rakers short. 



Geographical distribution. — These prettily marked little fish are found 

 throughout India, Burma, and Ceylon. 



Synopsis of Species. 



12—5' 



3 3 



1. Danio (Leva/no, D. ■ -', A. - , ■, L. 1. 41. No barbels. Orissa, Bengal, 



Aswm. 



2. „ spinosus, D. —^-, A. -=, L. 1. 52. No barbels, or a short rostral pair, 



One or two spines on the margin of the orbit. Pegu. 



3. „ av/rolineatus, D. -, A. — , L. 1. 34 — 40. Eostral barbels. South Malabar. 



