ncic Ahijssin'an Fishes. 425 



than eye ; depth of body '2\ to 3| times in 



total length ." B. lymii, For.sk. 



Snout feebly projecting-; anterior barbel I5 as 



long as eye; depth of body 3| times in [p. 431. 



total length B. kassamoisis, Jilgi'., 



Snout feebly projecting ; anterior barbel a littl-i 

 shorter than eye ; depth of body y§ to 4 



times in total length B. yananensis, Vincig. 



b. Spine of dorsal fin shorter than head ; 



depth of body 3^ to 4| times in total 



length. 



a. Anterior barbel shorter than eye, 



posterior as long as eye or a little 



longer ; interorbital width 3} to 



3| times in length of head. [p. 431. 



Length of head 3-| to 3^ times in total length. . B. brevibarbis, Blgr., 

 Length of head 4 to 4^ times in total length . . B. leptosoma, Blgr., 



/3. Anterior barbel at least as long as [p. 432. 



eye. 

 * No subtriangular deimal lobe 

 above the mouth, 

 t Interorbital width 2 Ho 3 times 

 in lengtli of head. 

 X Anterior barbel not or but 

 slightly longer than eye. 

 Posterior barbel 1 5 to li diametei s of eye ; depth 

 of body equal to length of head ; snout 3 



times in length of head B. oreas, Blgr., p. 432. 



Posterior barbel not or but slightly longer than 

 eye ; depth of body nearly equal to length 

 of head ; snout more than 3 times in length 



of head B. altiamdis, Blgr. 



XX Anterior barbel at least 

 nearly I5 as long as eye. 

 Posterior bai'bel about 1^ diameters nf eye; [A.Smith. 



depth of body equal to length of head .... B. manqiu'risis, 

 Posterior barbel If to If diameters of eye ; depth 



of body greater than length of head B. Duchcsnii, Blgr., 



Posterior barbel ]§ diameters of eye; depth of [p. 4.'>3. 

 body equal to length of head ; a subtrian- 

 gular mental lobe B. nwiito, Blgr., p. 434. 



tt luteroibital width 3^ to 3^ 

 times in length of head; an- 

 terior barbel \\ to If, poste- 

 rior 1§ to 2 diameters of eye. 



Ventrals below origin of dorsal B. Gref/orii, Blgr. 



Ventrals posterior to origin of dorsal B. hurseuais, Blgr , 



ttt Interorbital width 3| to 4 [p. 434. 



times in length of head ; bar- 

 bels 1 to 1 1 diameters of eye. B. ajfinis, lliipp. 

 ** A subtriangular dermal lobe 

 above the upper jaw ; posterior 

 barbels not more than 1 § diame- 

 ters of eye ; interorbital width 

 3 J to 3f times in leugtli of head. 

 Lips not produced into long triangular median 



