2. MASTACEMBELTTS. 543 



Trans. Zool. Soc. ii. p. 350. tab. CO. fig. 2; Shvk. Vcrliaiul lintar. 



Genoofsch. xxv., Hind, en lien;/, p. 97. 

 Mastacembelus pouticerianiis, Guv. 8j- Val. viii. p. 4G0. 

 mannoratiis, Cuv. Sf Val. viii. p. 401; Jacqii. Voy. Ltd. Poks. 



pi. 14. fig. 2. 

 Macrognatlius imdiilatus, MacClell. Calc. Journ. Nat. Hist. iv. p. 398. 



pi. 22. fig. 1. 



hamiltonii, MacClell. I. c. p. 393. 



? Mastacembelus venosus, Val. in Jacqu. Voy. Ind. Poiss. pi. 14. fig. 1. 



D. 35-39 I 79-87. A. 3 | 79-87. Caec. pylor. 2. Vert. 39/53. 



The maxillaiy extends to the vertical from the nostril. Vertical 

 fins continuous. Brownish-olive : a brown band from the snout 

 through the eye, forming irregular zigzags along the side, and emit- 

 ting cross-bars to the dorsal and anal fins. 



Var. Head with two rather irregular longitudinal brown bands. 

 A series of very distinct brown spots along the base of the dorsal and 

 anal fins ; sides of the body with brown reticulated bands. 



Fresh waters of Ceylon, Bengal, and Chusan. 



a. Var. annata. 

 a. Adult. Calcutta. From the Collection of Messrs. v. Schlagintweit. 

 b-d. Half-grown. Siam. From M. Mouhot's Collection. 

 e-f, g. Adult. East Indies. 



'p. Var. po7iticeriana. 



h-i, A-, 1. Adult, half-grown, and young. Ceylon. Piu-chased of Mr. 

 Cuming. 



in. Young. Nepal. Presented by B. H. Hodgson, Esq. (il/rt.s<frcc)H- 

 belus liodfjsonii, Kaup). 



n. Adult : stuffed. East Indies. From the Collection of the Zoo- 

 logical Society. 



0. Adult : skeleton. Ceylon. Purchased of Mr. Cuming. 



y. A very old female does not show any markings, but is uniform 

 brown. 

 p. Very fine specimen : sixteen inches long. Ceylon. Purchased 



of Mr. Cuming. 

 q. Adult : stuffed. Calcutta. From the Collection of the East India 



Comjjany. 



8. Mastacembelus maciilatus. 



Rhynchobdella maculata, Reinw. 



Mastacembelus macidatus, Cuv. 8f Val. viii. p. 461 ; Rhpie Anim. III. 

 Poiss. pi. 55. fig. 1 ; Bleaker, Blitong, p. 93. 



D. 26-30 I 60-70. A. 3 | 59-69. 



Praeoperculum without spines. Vertical fins continuous. Brown, 

 clouded with darker ; vertical fins with a yellow margin, dorsal ^vith 

 a series of blackish spots along the base. 



Fresh waters of Blitong, Java, and Sumatra. 



