6 CTPEINIDiE. 



8c. 29-34 |t||, 2^-3 ; spine of dorsal shorter 



4 2 °3 



than head; barbels subequal, 1^ to 2 dia- 

 meters of eye 25. B. gregorii, Blgr., p. 45. 



Sc. 32-34 ^|i, 3 ; spine of dorsal shorter than 



head ; posterior barbel longer than anterior 



and 2 diameters of eye ; dorsal originating 



a little in advance of ventral 26. B. hursensis, Blgr., p. 46. 



Sc. 31-37 ||e||, 2^-3 ; spine of dorsal shorter 



than head; barbels subequal, ]-l£ diameters 



of eye 27. B. affinis, Riipp., p. 47. 



51 

 Sc. 31—33 j|, 2^—3 ; spine of dorsal shorter than 



head ; posterior barbel longer than anterior, 



as long as eye 28. B. brevibarbis, Blgr., p. 49. 



Sc. 30-35 -^r"5 3 ; spine of dorsal as long as 

 or a little longer than head ; barbels sub- 

 equal, not longer than eye 29. B. leptosoma, Blgr., p. 50. 



tt A subtriangular dermal lobe above the upper jaw ; spine of 

 dorsal fin shorter than head in adult. 

 Sc. 31-35 2^|, 2f-3 ; posterior barbel 1J-1* 

 diameters of eye ; lips not produced into 

 long median lobes, but snout with a trian- 

 gular dermal flap 30. B. degeni, Blgr., p. 50. 



Sc. 29-36 ^|, 2£-3 ; posterior barbel 1-lf 



*2 °2 



diameters of eye ; both lips produced into 



long subtriangular dermal lobes .... 31. B. nedgia, Riipp., p. 51. 



S. 25-30 scales in lateral line, l£-2 between lateral line and ventral; 

 10-12 round caudal peduncle ; dorsal with 9 or 10 (rarely 8) 

 branched rays. 

 * Depth of body equal to or a little greater than length of head ; 

 spine of dorsal shorter than head. 



t Depth of body 3^-4 times in total length. 

 Sc. 30 jf , 2 ; posterior barbel a little longer than 



*2 



eye ; caudal peduncle about twice as long 



as deep 32. B. compinei, Sauv., p. 53. 



Sc. 26-27 3T, 2 ; posterior barbel 1^ diameters 

 of eye ; caudal peduncle 1^-1^ times as 



long as deep 33. B. linnelli, Lonnb., p. 53. 



ft Depth of body 3-3^ times in total length. 



Sc. 25-27 II, 2 ; posterior barbel 1J to 1| dia- 

 meters of eye in adult 34. B. krapfi, Blgr., p. 54. 



