EAEBIJS. ] 5 



Sc. 25-26 ll, 2-2i ; eye 3-3| times in length of 



liead ; pectoral reaching or nearly reaching 



ventral 120. B. Jcerstenii, Peters, p. 130. 



Sc. 24-28 |J, 2-2i ; eye 3^-4 times in length 



of head ; pectoral not reaching ventral . 121. B. eutcenia, Blgr., p. 131. 



b. Base of ventral entirely below dorsal. 



x. 28-33 scales in lateral line. 



* Posterior barbel more than H diameters of eye and snout longer 

 than eve in adult; dorsal with 7 branched ravs. 

 Sc. 30-31 ^, 3; eye 5^ times in length of head ; 



depth of body i\ times in total length . . 122. B. neumayeri, Pfeff., p. 132. 



4- 

 Sc. 28-30 gi, 3 ; eye 4-5 times in length of 



head ; depth of body 3§-4 times in total 

 length ; interorbital width 2j-2§ times in 

 length of head 123. B. nairobiensis, Blgr., p. 132. 



4I_fil 



Sc. 28-32 BjLfll a 3-4; eye 3^-4^ times in length 

 of head ; depth of body 3§-4 times in 

 total length; interorbital width 3 times in 

 length of head 124. B. porlali, Blgr., p. 133. 



** Posterior barbel 1 to 1^ diameters of eye. 

 Sc. 28 t|, 3 ; eye 4 \—b times in length of head, 

 interorbital width 2|-3 times ; dorsal with 

 7 branched rays 125. B. carpio, Pfeff., p. 134. 



Sc. 28-30 4 -tft 3-31 ; eye 3^-4 times in length 

 of head, interorbital width 2^-2§ times ; 

 dorsal with 6-7 branched rays .... 126. B. percivali, Blgr., p. 135. 



Sc. 29-31 ^4, 2^-3 ; eye 3-3£ times in length 

 of head, interorbital width 2^-2| times; 

 dorsal with 7-8 branched rays .... 127, B. zanzibaricus, Peters, p. 136. 



Sc. 29-33 fj, 2£-3 ; eye 3f-4 times in length 

 of head, interorbital width 3-3^ times ; 

 dorsal with 8 branched rays 128. B. argentens, Gthr,, p. 136. 



*** Posterior barbel |-| diameter of eye. 

 Sc. 28-30 4 ^, 2\ ; eye 3£-8i times in length 

 of head, interorbital width 2^-3 times ; 

 dorsal with 7-8 branched rays . . . . 129. B, wellmani, Blgr., p. 137. 



