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b. No barbels; single series of compressed pharyn- 

 geal teeth Carassius p. I02. 



Anal spine not serrated behind. 



a. Eye with a broad annular gelatinous eyelid. 



a. Mouth inferior Amblyrhyuchkhthys p. 104. 



/3. Mouth terminal Albulkhthys p. 106. 



b. Eye without broad annular gelatinous eyelid. 

 a. Recumbent spine ') in front of dorsal; anal 



with 8 — 9 branched rays Mystacoleucus p. 107. 



/3. No recumbent spine, anal with 8 branched 



rays Ctenopharyngodon p. no. 



7. No recumbent dorsal spine; anal with 5, 

 exceptionally with 7 branched rays. 



i) Dorsal with 21 — 30 branched rays. . . Dangila p. 112. 

 2) Dorsal with 8 — 18 branched rays. 

 {a). Linea lateralis 56 — 75. 



cf.. Dorsal with 14 — 18 branched 



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

 /3. Dorsal with 8 — 10 branched 



rays; no barbels Thyfinichthys p. 121. 



{b'). Less than 56 scales in lateral line. 

 aa. Dorsal with 10 — 18 branched 



rays OstcochUiis 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. 



ex.. Mouth terminal, oblique, 



• wide, reaching beyond 



front border of eye ; 2 



maxillary barbels Hampala p. 143. 



(i. Mouth terminal or sub- 

 inferior, not reaching bey- 

 ond front border of eye ; 

 no, 2 or 4 barbels. 

 OLO.. 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. 



