PLATYSTACUS. PLATYSTACUS. 



Generic Character. 



Habitus Siluri. 



Os subLus, cirris barbatum. 



, depress- 



um ; cauda longa, com- 

 pressa. 



Habit of Silurus. 



Mouth beneath, bearded 



with cirri. 

 Body scaleiess, depressed ; 



tail long, compressed. 



/CETABULATED PLATYSTACUS. 



Platystacus Cotylcphorus. P. drris sex, coiyledonibus icnl- 



ralibus. 



Platystacus with six beards, and ventral acetabula. 

 Platystacus cotylephorus. P. cirris sex, cotyledorubus in centre. 



Block, t. 372. 



Siluras Aspredo, Lin. Syst. Nat. p. 502. 

 Batrachus fuscus, &c. Klein, misc. pise. 5. p. 85. 

 Mystus cirris sex, &c. Seb. mus. 3. p. 36. t. 2Q./. p. 



JL HE genus Platystacus, first instituted by Dr. 

 Blocb, is extremely nearly allied to that of Silurus. 

 The species are but few in number : the present is 

 remarkable for the numerous small acetabular pro- 

 cesses or suckers with which the under surface of 

 the body is beset, and which in young specimens 

 are but obscurely visible. It grows to the length 

 >f a foot or more, and is a fish of a very uncouth 



