8 OTPRINID^. 



2. Lateral line running along the median line of (he tail. Dorsal 



Jin Inserted behind the ventrals. Eohteichthyina. 

 Dorsal fin with a strong serrated ray 44. Eohteichthys, p. 191. 



3. Lateral line running along the loiver half of the tall. Dorsal 



Jin oj)])oslte to ventrals. Lepxobarbina. 

 Dorsal fin without osseous ray 45. Leptobarbus, p. 192. 



4. Lateral line running along the lower half of the tall. Dorsal 



Jin inserted behind the origin of ventrals. E,asboeina. 



a. Lateral line complete. Fharyngeal teeth in a triple series, none being 



molar-like. 



Cleft of the mouth extending to the front margin of the orbit. 



46. Easbora, p. 193. 



Cleft of the mouth extending beyond the front margin of the orbit. 



47. Luciosojia, p. 198. 



b. Pharyngeal teeth in a single series. 



Barbels four, the upper very long 48. Nuria, p. 200. 



c. Pharyngeal teeth in a double series ; lateral line incomplete. 

 Barbels none 49. Aphtocypris, p. 201. 



d. Lateral line incomplete. Pharyngeal teeth in a triple series, some of 



them being molar-like. 



Mouth small, lower jaw prominent 50. Amblypharyngodox, p. 201. 



B. Anal fin short or of moderate length, with from (seven) eight 

 to eleven branched rays, not extending forwards to below 

 the dorsal fin. Lateral line, if complete, running in, or 

 nearly in, the middle of the tail. 



1. Dorsal Jin elongate, with numerous branched rays and with 



an osseous ray. Semiplotina. 



Dorsal spine serrated 51. Cyprinion, p. 203. 



Dorsal spine smooth 52. Semiplotus, p. 204. 



2. Dorsal ^n short, with an osseous ray. Xenoctpeidina. 



Barbels none ; pharyngeal teeth in a triple series ; dorsal spine smooth. 



53. Xenocypris, p. 205. 



Barbels two ; pharyngeal teeth in a double series ; dorsal spine smooth. 



54. Paracanthobrama, p. 205. 



Barbels two ; pharyngeal teeth in a triple series ; dorsal spine serrated. 



55. Mystacoleucus, p. 206. 



3. Dorsal Jin short, without osseous ray ; pharyngeal teeth in a 



single or double series. Letjciscina. 



a. Margin of the lower Jaw not trenchant ; barbels none. 



Intermaxilkries protractile. Scales imbricate. Outer surface of the pharyngeal 

 teeth smooth 56. Leuciscus, p. 207. 



Similar to Leuciscus, but outer surface of the pharyngeal teeth deeply folded. 



67. Ctenopharyngodon, p. 261. 

 IntermaxiUaries not protractile 68. Mylofharodon, p. 262. 



