SILITEID^. — OX. 331 



long; sidipose fin large; spines strong; dorsal fin very 

 high; anal fin long and deep; caudal fin short; color 

 dark; gill openings narrow. Southeastern streams; 

 resembling A. nigricans, but with the caudal fin of A. 



65. Head broad ; mouth wide ; form stout. 



7. A. natalis, (LeS.) Gill. Yellow Cat. Chubby 

 Cat. Body stout and heavy, with large head; dorsal 

 spine nearer snout than adipose fin; a widely difi^used 

 species running into many varieties. The following are 

 some of the principal ones : 



Var. natalis, (LeS.) Body very short and obese, with 

 short, deep, fleshy caudal peduncle, and short caudal fin, 

 on which the flesh encroaches. Thi% may be simply a 

 peculiar state of individuals rather than a distinct variety, 



Var. lividus, (Raf.) Jor. More elongate, dark colored; 

 the jaws equal. Western and Southern streams, com- 

 mon. {A. catits of authors.) 



Var. cuprous, (Raf.) Jor. Similar, but yellowish 

 brown, and with the upper jaw decidedly the longer; 

 generally abundant. 



Var. caanosus, (Rich.) Jor. Like cvprevs, but green- 

 ish or black in color. Great Lakes. 



Var. ana/is, Jor. Anal fin very large, of 37 rays, its 

 base nearly i length of body. S. W. 

 ^1 Anal fln moderate, of 18 to 33 rays. 



c. Lower jaw distmctly longer than upper. 



8. A. vulgaris, (Thompson) Nelson, Long -Jawed 

 Cat, Body rather elongate, the depth 44 to 5 in length; 

 head 3^; barbels long; mouth wide; head longer than 

 broad; dorsal nearer snout than adipose fin; head broad 

 forwards} A, 20' dark reddish brown, varying, to black- 



