16 CYPEINlDiE. 



/3. 22-27 scales in lateral line ; doi-sal usually with 8 hranclied rays. 

 ^ Posterior barbel 1^ to 1| dianiefcrs of eye ; caudal peduncle 

 1^-1^ times as long as deep. 

 So. 25-27 % 21-3 ; depth of body 3-3^ times 

 in total length ; eye 3-3^ times in length 

 of head 130. B. hessleri, Stdr., p. 138. 



Sc. 22-26 % 2-3 ; depth of body 2§-3i times 

 in total length ; eye 3 (young) -4 times 

 in length of head 131. B. Iiolutccnia, Blgr., p. 139. 



Sc 23 gl, 2 ; depth of body 3^ times in total 



length ; eye 3 times in length of head . . 132. B. miolepis, Blgr., p. 1-41. 



^* Posterior barbel 1^-2 diameters of eye ; caudal peduncle not or 

 but slightly longer than deep. 

 Sc. 23-26 rAi, 21-3 ; depth of body 2i-2| 

 times in total length ; eye 3-3 J times in 

 length of head 133. B. guimli^ Thomin., p. 142. 



C. Last simple ray of dorsal enlarged, bony, more or less distinctly serrated 



behind f ; a single barbel on each side. 



1. Lateral line present. 



Sc. 40 ^1, 4 ; dorsal with 8 branched ravs, its 



spine strongly serrated 134. B. litamha, Keilh., p. 143. 



5--6- 

 Sc. 33-36 clip, 3-4 ; dorsal with 7 branched 



rays, its spine feebly serrated in its upper 



part only 135. B. trevelyani, Gthr., p. 143. 



2. No lateral line. [p. 144. 

 Sc. 25 ; dorsal with 7 branched rays . . . 136. B. apleuroc/7'amma , Blgr., 



D. Last simple ray of dorsal not enlarged, or but feebly enlarged, not 



serrated J. 



1. Two barbels on each side. 



a. Dorsal with 7 branched rays ; 27-38 scales in lateral line ; caudal 

 peduncle 1§ to 2 times as long as deep. 

 a. 3-4^ scales between lateral line and ventral ; lateral line com])lete. 

 * Base of ventral below anterior rays of dorsal. 



c ^ 



Sc. 35-36 gi, 4, 16 ; posterior barbel § diameter [p. 145. 



of eye ; pectoral not reaching ventral . . 137. B. amjih'igramma^ Blgi-j 

 Sc. 34-38 ""^li^, 4, 12; posterior barbel 1-1^ 



diameters of eye ; pectoral not reaching 



ventral 138. 5. WcA^/Zt, A. Smith, p. 146. 



t The serration sometimes very indistinct in B. trei'cJi/ani, no. 135. 

 t See also B. hohfrpiiia, uhove, no. 131. 



