2. MASTACEMBELUS. 541 



1. Mastacembelus pancalus. 



Maci'OgTiathus pancalus. Bitch. Iliini. Fish. Ganrj. p. 30. pi. 22. tig. 7. 

 Mastacembelus paucalus, Cuv. ^- Val. viii. p. 455 ; Bleek. f^erhniul. 



Batav. Genootsch. xxv., Beng. en Ilindust. p. 98. 

 ? Mastacembelus punctatus, Cuv. 8)- Val. viii. p. 463. 



D. 25-26 1 35-40. A. 36-40. 



The cleft of the mouth extends scarcclj' to the vertical from the 

 nostril. • Vertical fins not contiguous. Body brown, with small, 

 round, lighter dots ; vertical fins wliitish, dotted with black. 



Fresh waters of Bengal. 



fl-c, d. Half-gro^vn. Ganges. Presented by G. 11. Watorhouse, 



Esq. — Types of the species. 

 e. Half-grown. Ganges. From Mr. MacClelland's Collection. 

 /, g, h. Half-grown. Calcutta. From the Collection of Messrs. von 



Schlagintweit. 

 i-k, l-p, q. Adult, half-grown, and young. Bengal. 



2. Mastacembelus zebrinus. 

 Bh/th in Journ. As. Soc. Beng. 1859, p. 281. 



Twenty-eight or twenty-nine dorsal spines. Tail detached from 

 the dorsal and anal fins. Pale brown, deeper along the back, and 

 marked throughout (more distinctly in the young) with dusky trans- 

 verse stripes, alternating with fainter stripes more or less regular, 

 which latter are often double or more or less divided, and are set off 

 by the narrow pale interspaces. Dorsal and caudal fins minutely 

 striated ; the anal with broad stripes, as on the sides. (BI.) 



Maulmein. 



3. Mastacembelus aleppensis. 



Simak-el-inglese, Ingely, Btts-fell, Naf. Hist. Al<'ppo,u.2nd edit. (liOnd. 



1794), p. 208. pi. G. 

 Mastaceuibelus, sp., Grunov. ZoophijI. no. 402. tab. Sa. figs. 1. 2. 

 Ophidium simak, Walh. Artedi, iii. p. 159. 



mastacembelus, Shaw, Zool. iii. p. 71. 



Rhynchobdella lialeppensis, Bl. Schn. p. 480. 

 Mastacembelus aleppensis, Cur. ^- Val. viii. p. 454. 



syriacus, Gronov. Sifst. e<I. Graij, p. 172. 



? Macrognathus caudatus, MacClell. Calc. Journ. Nat. Hist. ii. p. 580. 



D. 32-34 (35) | 80. A. 3 | 80. 



The maxillary extends to the vertical from the anterior margin of 

 the orbit. Vertical fins continuous, sometimes a notch between 

 them. Above blackish, vsiriegated with dark-yeUow spots ; ycllo^vi.sh 

 below ; anal fin yellow near its commencement, the rest, like the 

 dorsal and caudal, being spotted with black. 



River Kowik. ? Afghanistan. 



a, h, c. Tj^pes of the species: bleached. Aleppo. From A. Russell's 

 Collection. 



d. A fourth specimen, with thirty-five dorsal spines, and of a unifonn 

 brownish -black colour, is not specifically different from the t}^i- 

 cal individuals ; it was received from the East India Company. 



