53. PIMELODUS. 133 



2. Non-American species. 



37. Pimelodus deppii. 

 rimolodus deppii, Miill. Sf Trosch. Hor. Ichth. iii. p. 3. 



B. 7. D. 1/5-6. A. 14. P. 1/9. 



Head covered ■vnth skin above ; occii^ital process thrice as long as 

 broad, not extending on to the base of the basal bone of the dorsal 

 spine. The length of the head is one-sixth of the total length (with 

 the cavidal). The distance between the dorsal and adipose fins equals 

 the length of the former ; the posterior anal rays extend to the ver- 

 tical from the end of the adipose fin if laid backwards. No poms 

 axillaris ; pectoral spine serrated nearly in its whole length. {M. Sf T.) 



Sandwich Islands. 



38. Pimelodus javus. 



Pimelodus javus, Cuv. Sf Val. xv. p. 187. 

 D. 7. A. 13. 



Head covered with skin above ; occipital process not extending on 

 to the basal bone of the dorsal spine. Adipose fin very long, com- 

 mencing immediately behind the dorsal. The length of the maxil- 

 lary barbel is three-fifths of that of the body ; the outer maxillary 

 barbel extends to the extremity of the pectoral. None of the rays 

 spinous ; caudal forked, with the upper lobe longest. (VaJ.) 



Java. 



D. The occipital process does not extend on to the basal bone of the 

 dorsal spine ; body short, stout. 



39. Pimelodus bufonius. 



Pimelodus bufonius, Cin: 8( Val. xv. p. 154. 

 D. 1/G. A. 9. P. 1/6. 



The length of the head is one-foui'th of the total. The band of 

 teeth in the upper jaw is broad, terminating laterally in a tapering 

 portion running backwards. The basal bone of the dorsal spine is 

 narrow, and longer than the occipital process. The maxillary barbel 

 extends to the pra?opercular margin. Pectoral spine very stout, 

 serrated along both edges. Caudal rounded, somewhat emarginate 

 behind. Brown, marbled with darker. 



Cayenne ; Brazil. 



a. Skin : 12 inches long. Kiver Cipo, a tributary of the Rio das 

 Vilhas. ilinas Geraes, Brazil. From the Collection of Mr. Ch. 

 Cumberland. 



40. Pimelodus raiiinus. 

 Pimelodus raninus, Cut. 8f Val. xv. p. lo7. pi. A-M. 

 U. 1/6. A. 10-11. P. 1/6. 

 Head as broad as long, its length being contained tlirice and two- 



