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very fat, thick, and somewhat redish, abdominal fins 

 "brownish. Tail with 20 rays. 



2d [i.e., 3d] Section. Ameiurus. Tail entire. 

 Eyes round. Eight abdominal rays. Vent posterior. 

 Dorsal fin anterior with a spine. Lower jaw not 

 longer. Pectoral fins, with one simple spine and 

 seven rays. 



75th Species. Yellow Catfish. Pimelodus cupreus. 

 Pimelode cuivre. 



Upper jaw longer, barbs half the length of the 

 head. Eyes round. Body entirely of a coppery 

 yellow colour. Lateral line straight. Tail truncate 

 entire. . Anal with 1 5 rays. 



Silurus cupreus. Monogr. sp. 9. 



Vulgar name, Yellow Catfish. Very different from 

 the foregoing. Similar however in size and form. 

 Colour uniform, extending on the head and fins. 

 Spines short. It is found as far as Pittsburgh. Very 

 good to eat. Some have been taken weighing over 

 200 pounds. Dorsal fin with 1 and 7 rays. 



76th Species. Brown Catfish. Pimelodus lividus. 

 Pimelode livide. 



Jaws equal, barbs nearly equal together and as 

 long as the head. Eyes round. Body entirely of a 

 livid brown colour. [II. 360] Tail rounded entire. 

 Lateral line raised upwards at the base. Anal fin 

 elongate with 25 rays. 



Silurus lividus. Monogr. sp. 7. 



A small species, entirely of a leaden brown. Head 

 ■short, slightly olivaceous, throat pale. Barbs equal, 

 the upper ones livid, the lower ones rufous. A fur- 

 row on the head which is [66] convex above. Oper- 

 culum flexuose. Tail with. 24 rays. Dorsal with 

 one and 7. Spines short. 



