53. PIMELODUS. 133 



2. Non^-American species. 



37. Pimelodus deppii. 



Pimelodus deppii, Mull. § Trosch. Hor. Ichth. iii. p. 3. 

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



Head covered with skin above ; occipital process thrice as long as 

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

 6pine. The length of the head is one-sixth of the total length (with 

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

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

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

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



Sandwich Islands. 



38. Pimelodus javus. 



Pimelodus javus, Cuv. fy 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. ( Val.) 



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, Cuv. 8f Val. xv. p. 154. 

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

 The length of the head is one-fourth 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 praeopercular margin. Pectoral spine very stout, 

 serrated along both edges. Caudal rounded, somewhat emarginate 

 behind. Brown, marbled with darker. 



Cayenne ; Brazil. 

 «. Skin : 12 inches long. Biver Cipo, a tributary of the Bio das 

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

 Cumberland. 



40. Pimelodus raninus. 

 Pimelodus raninus, Cuv. 8f Veil. xv. p. 157. pi. 434. 

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

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



