355 



head. L.I. 28 — 30. Two longitudinal liands 



united at base of caudal B. taeniata p. 362. 



c. Anal 2.28 — 30. D. 1.9 — 10, its origin nearer 

 to caudal than to head; opposite 18. or 19. 

 lateral scale; 28 — 30 praedorsal scales. Caudal 

 peduncle much longer than postorbital part 

 of head. L.I. 34— 36. Six or more dark 



crossbars on brown ground colour B. fascia/a p. 362. 



d. Anal 2.30 — -32. D. no, its origin nearer 

 to caudal than to head; opposite to 19. or 

 20. lateral scale; + 30 praedorsal scales. 

 Caudal peduncle equal to postorbital part 

 of head. L.I. 35. Scales bronze, their ante- 

 rior half emerald green B. bellica p. 363. 



Doubtful species B. piignax p. 364. 



I. Betta macrostoma Regan. 



Belta macrostoma Tate Regan, Proc. Zool. Soc. London 1909, p. 778. 



D. II ; A. 26; L.I. 32. 



Rostro-dorsal profile .slightly convex. Height 4.1, head pointed, 

 3 in length. Diameter of eye slightly shorter than snout, about 

 4.5 in head, 2.5 in postorbital part of head and 1.6 in inter- 

 orbital space, which goes 2.8 times in length of head. Maxil- 

 lary extending a little beyond the middle of eye. Origin of 

 dorsal in the middle between head and base of caudal, sepa- 

 rated by about 25 praedorsal scales from snout and opposite 

 to 17th lateral scale. Height of caudal peduncle at base of 

 caudal nearly twice in head. Pectorals somewhat shorter than 

 head without snout. Two blackish longitudinal bands from 

 eye to caudal ; dorsal with scries of dark spots and with a 

 large black ocellus near the base posteriorly; caudal with two 

 blackish cross-bars; other fins dusky. Length of single specimen 

 known 80 mm. [Type in the British Museum seen by us]. 



Habitat: Borneo (Sarawak!). 



In freshwater. 



2. Betta unimaculata (Popta). 



Parophiocephalus unimaculatiis Popta, Notes Leyden Mus. XXVIL 1906, p. 10. 

 Betta unimaculata Tate Regan, Proc. Zool. Soc. London 1909, p. 779. 



D. 7— 9; A. 27— 30; P. 13; V. 1.5; L.I. 32— 33(35) ;L.tr. 12".,. 

 Height 3.5 — 4.5 ; head more than twice to more than thrice 



