SILURID^. SILURIN M. 305 



Mystus Artedi. Body ovately oblong, the sides armed 



with a row of spinous plates ; head and nape mailed ; 



adipose fin long; lower cirri sometimes pectinated, 



as in the last. 



Gronovii. Gron. pi. 5. 1, 2. edentatus. Spix, pi. 5. 

 carinatus. Lin. Sys. Nat. costatus. Bl. 376. 



504. 



PiMELODus Lac. Body oblong, the sides naked ; 

 head and nape generally more or less mailed ; cirri 

 long, simple ; mouth terminal ; anal fin short, 

 quadrimaculatus. Bl. 368. fig. 2. 



Sisor Hamilt. Caudal fin small, slightly lunate ; the 

 superior ray excessively prolonged ; second dorsal fin 

 minute, nearly obsolete ; teeth none. 



S. rabdophorus. Ham. p. 208. Gray, Ind. Zool. i. pi. 84. f. 1 . 



Felichthys * Sw. Head short, very obtuse, depressed, 

 anal fin lengthened ; vent central ; caudal forked. 

 F. filamentosus. Bl. pi. 365. nodosus. Bl. 368. fig. 1. 



Cyclopium Sw. Eyes very minute, vertical ; lower 

 jaw longest ; anal fin short, placed below the second 

 or adipose dorsal ; cirri two. 

 C. Humboldtii Sw. ( Pimelodus cyclopium Auct ) 



3. SuBFAM. SILURINiE. 



Anal fin and tail very long ; operculum moveable. 



Ageniosus Lac. Dorsal fins two; cirri small, or obsolete. 



Ageniosus Lac. Head broad, considerably depressed, 

 as in Felichthys ; the maxillary bones sometimes as- 

 suming the appearance of horns ; vent central ; anal 

 fin moderately lengthened ; caudal forked. 



A. militaris. Bl. 362. inermis. Bl. 363. 



Silonia Sw. Body of equal thickness with the head, 

 which is not dilated ; eyes very large ; cirri two, very 

 minute ; adipose dorsal very small, oval ; gill-mem- 



* Substituted for Breviceps, a name already used in Erpetology. 

 VOL. II. X 



