CYPia.Mu.i':. , 299 



Synopsis of tJie Genera. 



I. Cyprinin.'T:. B:ir])els not more than two pairs, if present ; pharynfreal teeth 

 lariro, in small number, \vorking against :i sclerous j)late attached to a 

 ventral process of the hasioccipital, which extends under the anterior 

 vertebra3 ; air-l)lad(l(>r usually largo ami divided into an anterior and a 

 posterior chamber, not surrounded by a bony ca])sule. 

 A. Anal with not more than 7 branched rays. 



1. Suborbitals narrow, not covering the cheek; lateral line running along 

 the middle, or nearly the middle, of tiio side of the caudal region of ihe 

 body. 

 Mouth inferior, with much - dev<do])ed lips 

 fornnng a sort of sucker and furnished on 

 the inner side with a sharp cutting-edge 

 covered with a horny sheath ; dorsal fin 



originating well in advance of the ventrals . 1. Labeo, Cuv,, p. 300. 

 Moulli inferior ; a more or less dev(doped 

 suctorial disk on the chin, usually bordered 

 by the lower labial fold ; gill-openings 

 restricted to the sides ; dorsal fin origi- 

 nating well in advance of the ventrals . . 2. PiscoanalJius, Heck., p. 34.'?. 

 Mouth interior, without lips, the lower jaw 

 completely exposed and showing a shari) 

 cutting-edge covered with a horny sheath ; 

 dorsal tin originating a1)0ve or a little in 



advance of the ventrals 3. ]'ir/eoyhinii.<, \\[i\)\^., \>. '^^>'2. 



Mouth terminal or inferior, with more or less 

 developed lips, with or without a sharp 

 edge ; dorsal fin originating above or a 

 little behind or a little in advance of the 



ventrals 4. Barhus, Cuv.* 



2. Suborbitals large, covering the cheek ; lateral line running along the 

 lower part of the caudal region of the body. 

 Mouth terminal, lower jaw prominent ; dorsal 



fin behind the ventrals 5. Juishora, Blkr. 



B. Anal with 8 or more branched rays ; mouth terminal. 



1. Suborbitals narrow, not covering the cheek. 

 Porsfd fin above or behind the ventrals ; anal 



with 8 to 14 branched rays G. Leucigcus, Cuv. 



2. Suborbitals large, covering the cheek. 



a. Anal with 8 or branched rays ; lateral line in the middle of tlie 

 caudal peduncle. 

 Dorsal fin above the ventrals 7. Leptocypris^ Blgr. 



* This and the following genera will be dealt with in the second volume. 



