376 



TELEOSTEI 



Sub-Family 3. Cobitidinae : The Loaches. Botia, Gray ; E. Indies. 

 Misgurnus, Lac. ; Cobitis, Art. — Europe and Asia. Acanthopsis, van H. ; 

 Apua, Blyth — E. Indies. 



Sob-Family 4. Homalopterinae. Homaloptera, van H. ; Hehjia, Vin. ; 

 Glaniopsis, Bi^r. ; Gastromyr.on, Gthr. — Asia. 



Family Gymnotidae. This family has undergone great specialisation. 



In;. 361. 

 Catostomus oecidi ntalis, Ayres. (From Jordan ami Evermann.) 



These fish acquire an eel-like body, covered with cycloid scales or naked; 

 The dorsal fin disappears or remains only as an adipose strip. The 

 caudal region is nmch elongated, and also the anal fin ; the caudal is 



Lie 862. 

 i 'yprinus aarpio, I.., tjie Carp. (From Seeley, Freshwater FisTies of Europe.) 



reduced or absent. The small mouth is frequently borne at the end of a 

 long snout. A shortening of the abdominal cavity takes place, accom- 

 panied by the shifting forward of the anus even to below the snout. 

 The gill-opening is reduced in size. 



The Electric Eel (Gymnotus ele&ricus) has a powerful electric organ 

 formed by the modification of the myotomes along the caudal region ; it 



