93 



b. No barbels 5 single series of compressed pharyn- 



geal teeth Carassius p. 102. 



2. Anal spine not serrated behind. 



a. Eye with a broad annular gelatinous eyelid. 



a. Mouth inferior Amblyrhynchichthys p. 104. 



/3. Mouth terminal Albulichthys p. 106. 



b. Eye without broad annular gelatinous eyelid. 

 a.. Recumbent spine J ) in front of dorsal 5 anal 



with 8 9 branched rays Mystacoleucus p. 107. 



/8. No recumbent spine, anal with 8 branched 



rays Ctenopharyngodon p. no. 



?. No recumbent dorsal spine; anal with 5, 



exceptionally with 7 branched rays. 



1) Dorsal with 21 30 branched rays. . . Dangila p. 112. 



2) Dorsal with 8 18 branched rays. 

 (a). Linea lateralis 56 75. 



a. Dorsal with 14 18 branched 



rays; four or two barbels. . . . Barynotus p. 119. 

 /3. Dorsal with 8 10 branched 



rays; no barbels Thynnichthys p. 121. 



(3). Less than 56 scales in lateral line. 

 aa. Dorsal with 10 1 8 branched 



rays ". Osteochilus p. 124. 



bb. Dorsal with 7 9 branched rays. 



1. Both lips thick and fringed. Cosmochihis p. 141. 



2. Lips entire, exceptionally the 

 upper lip crenulated. 



a.. Mouth terminal, oblique, 

 wide, reaching beyond 

 front border of eye; 2 



maxillary barbels Hampala p. 143. 



/3. Mouth terminal or sub- 

 inferior, not reaching bey- 

 ond front border of eye ; 

 no, 2 or 4 barbels. 

 cut. Postlabial groove not 

 interrupted in the mid- 

 dle and continuous 

 round corner of mouth. 

 i . Dorsal spine smooth; 

 no sensory folds on 



i) Sometimes hidden by scales. 



