BARBUS. 9 



c. Lower lip interrupted on the chin ; mouth terminal ; dorsal with 8-9 

 branched rays, its spine shorter than head. 

 Sc. 37-40 -gF^, 3-3^ ; posterior barbel ^^ dia- 

 meter of eye ; interorbital width 3§-4 times 

 in length of head 56. B. rhoadesn, Blgr., p. 72. 



5- 

 Sc. 35-37 .1, 3 ; posterior barbel I5-I5 diameters 



of eye ; interorbital width 2|-3 times in 

 length of head ; depth of body exceeding 

 length of head 57. B. platystomus, Blgr.. p. 73. 



Sc. 31 ^f, 2i ; posterior barbel 1^ diameters 

 of eye ; interorbital width 4 times in length 

 of head ; depth of body not exceeding length 



of head 58. J5. zapldri, Blgr., p. 74. 



5^-6- 

 Sc. 32-36 pigl, 2^-3 ; posterior barbel not 



longer than eye ; depth of body not exceed- 

 ing length of head 59. jB. gorguari, Riipp., p. 75. 



Sc. 26-27 77, 2 ; posterior barbel about § dia- 

 meter of eye ; interorbital width 3 times 

 in length of head 60. B. oxyrhynchus, Pfeff., p. 76. 



2. Base of vectral below middle of base of dorsal. 



a. Lower lip interrupted on the chin ; lower jaw without angular edge. 



Sc. 40 -^T^, 3^, 16; dorsal with 8 branched rays; 



posterior barbel as long as eye 61. B. plafyrhinus, Blgr., p. 76. 



b. Lower lip restricted to the sides ; lower jaw with angular edge. 



6- 

 >Sc. 36-40 gf, 4 ; dorsal with 9 branched rays ; 



posterior barbel not quite ^ diameter of 



eye G2. B. nyassce, Keilh., p. 77. 



(1- 

 Sc. 37 ?|, 3, 14; dorsal with 8 branched rays ; 



posterior barbel as long as eye 63. B. elephantis, Blgr., p. 78. 



Sc. 29 H, 2i, 12 ; dorsal with 9 branched rays ; 

 posterior barbel about ^ diameter of eye ; 

 caudal peduncle 1| times as long as deep . 64. B. sector, Blgr., p. 78. 



Sc. 27 4!, 2, 12 ; dorsal with 10 branched rays ; 

 posterior barbel ^ diameter of eye ; caudal 

 peduncle slightly longer than deep . . . 65. B. micronema, Blgr., p. 79. 



c. Lower lip continuous across the chin, forming a more or less developed 



mental lobe. 

 41 

 Sc. 29 ^i, 2, 12 ; dorsal with 9 branched rays ; 



posterior barbel |-| diameter of eye . . 66. B. hrucii, Blgr., p. 80. 



