CTPRINTD^. 11 



III. Pectoral and ventral fins horizontal, the former with the 



outer rays simple. Dorsal and anal fins short, the former 

 opposite to ventrals. Barbels six (or none). Air-bladder 

 absent, Hojialopierina. 



Barbels six 9G. IIomaloptera, p. 340. 



Barbels^none 97. Psiloriiy.nciius, p. 343. 



IV. Mouth surrounded by six or more barbels. Anal fin short. 



Scales small, rudimentary or absent. Air-bladder partly 

 or entirely enclosed in a bony capsule. Cobitidina. 



A. Dorsal fin opposite to ventrals. 



1. Ko erectile suborbital spine. 



Barbels ten or twelve 98. Misgurncs, p. 344. 



Barbels six 99. Nemaciiilus, p. 347.. 



2. An erectile suborbital spine. 



Spine below the eye ; caudal not emarginate ; barbels six. 



100. COB'TIS, p. 



Spine below the eye ; caudal not emarginate ; barbels eight. 



101. Lepidocephalichthys, p. 364. 



Spine in advance of the eye 102. Acanthopsis, p. 365. 



Spine below the eye ; caudal forked 103. Botia, p. 366. 



B. Dorsal fin at some distance behind the ventrals. 



1. No erectile suborbital sjnne. 



Barbels six 104. Oreonectes, p. 369. 



2. An .red He suborbital spine. 



Ventral fins. Barbels six, four being at the extremity of the snout. 



105. Lepidocepiialus, p. 369. 



Ventral fins. Barbels six, two beins at the extremity of the snout. 



106. AcANTnOPHTIlALMUS, p. 370. 



Ventral fins none 107. Apua, p. 371. 



Aperioptus pictorius, p. 371. 



Appendix to Cypeinid.e Kxeria, p. 371. 



