BAEBUS. 5 



Sc. 32-36 |=g, 2-2i . dorsal with 9 (rarelv 8) 

 branched rays ; snout projecting very 

 slightly beyond mouth 14. B. raddiffil, Blgr., p. 34. 



fft Depth of body equal to or a little greater than length of head, 

 3^ to 4^ times in total length ; posterior barbel longer than 

 eye in adult, but not more than 1^ diameters. 

 Sc. 33^f, 3 ; dorsal with 8 branched rays, its 



spine rather feeble, shorter than head ; anal [p. 3G. 



reaching caudal 15. B. mavequensis, A. Smith, 



Sc. 34-35 J,, 3 ; dorsal with 9 branched rays, 



its spine very strong, shorter than head ; 



anal reaching or nearly reaching caudal. . 16. B. aU'uuialis, Blgr., p. 3G. 

 Sc. 30 |t, 2^ ; dorsal with 9 branched rays, its 



spine very strong, at least as long as head ; 



anal not reaching caudal 17. B. gananensh, Vincig., p. 37. 



Sc. 31-36 f|||, 2J-3 ; dorsal with 8 (rarely 9) 



branched rays, its spine very strong, shorter 



than head; anal not reaching caudal . . .18. B. oreas, Blgr., p. 38. 

 Sc. 30-33 4^, 2i ; dorsal with 9 (rarely 8) 



branched rays, its spine very strong, shorter 



than head ; lips strongly developed . . . 19. B. margarilce, Blgr., p. 39. 

 Sc. 28-30 A 2^j ; dorsal with 9 branched rays, its 



spine very strong, shorter than head ; depth 



of body a little greater than length of head . 20. B. giularicus, Blgr., p. 40. 



tttt Depth of body equal to or a little greater than length of 

 head, 3^ to 4 times in total length ; posterior barbel at 

 least If diameters of eye in adult (at least 11 in young) ; 

 spine of dorsal shorter than head. 



5i 



Sc. 35 n, 3 ; dorsal with 8 branched rays ; lower 



lip produced into a subtriangular median 



lobe 21. B. mento, Blgr., p. 41. 



Sc. 27-32 -n^T, 2^-3 ; dorsal with 8 branched 



rays 22. B. reinii, Grthr., p. 42. 



Sc. 27-30 If, 2A-3; dorsal with 9 branched rays. 23. B. batesii, Blgr., p. 43. 



** Interorbital width more than three times in length of head ; 

 depth of body equal to or a little greater than length of head 

 3^-4£ times in total length, 

 t No subtriangular dermal lobe above the mouth. 

 Sc. 31 '-j, 2^ ; spine of dorsal a little shorter 

 than head ; barbels equal, more than 2 

 diameter* of eve 24. B. eumyrtvs, Blgr., p. 44. 



