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or sometimes depressed, belly not trenchant, rounded or even 

 flattened in which case the pectorals and ventrals are horizontal. 

 Dorsal long or short with y — 30 branched rays, without or 

 with an osseous spine which may be denticulated behind. Origin 



Fig. 33- 

 Rohteichthys microlepis Blkr. 



I v.. 



Fig. 34. View of ventral surface 

 of head of Labco rohitoides Blkr. 



Fig- 35. Scheme of a median section through region of mouth of Labeo. 



Lettering for all the figures. 

 a rostral barbel ; af transverse fold of lower lip ; b maxillary barbel ; lb lateral 

 lobe; Ij lower jaw; // lower lip; m mouth; vid mandible; / preorbital; /^post- 

 labial groove; px premaxillary ; rf rostral fold; uj upper jaw; «/ upper lip; 

 V vestibulum oris. 



of dorsal before, opposite to or exceptionally slightly behind 

 that of ventrals. Anal short, with 5 — 9 branched rays, without 

 or with an osseous spine, which exceptionally may be serrated. 

 Origin of anal reaches below last rays of dorsal only in the 

 exceptional cases, that the dorsal is very long. Pectorals and 

 ventrals always well developed. Caudal forked or emarginate. 



