rLATYSTACUS. PLATYSTACUS. 



Generic Character, 



Habitus Siluri. 



Os subLus, cirris barbatum. 



Corpus alepido turn, depress- 

 um ; Cauda longa, com- 

 ■pressa. 



Habit of Siiurus. 



Mouth beneath, bearded 



with cirri. 

 Body scaleiess, depressed ; 



tail long, compressed. 



ACETABULATED PLATYSTACUS. 



Platystacus Cotylephoms. P. cirris sex, cotyledonibvs 'Cent- 

 ralibus. 



Platystacus with six beards,, and ventral acetabula. 

 Platystacus cotylephorus. P. cirris sex^ cotyledonibus in 'ventre. 



Block, t.371. 

 Siiurus Aspredo. Lin. Sysl. Nat. p. 502, 

 Batrachus fu&cus, &c. Klein, misc. pise, 5. p, 85, 

 Mystus cirris sex, &:c. Seb, mus. 3, p. 36, t. 2Q,f, 9. 



rw^ 



X HE genus Platystacus, first instituted by Dr. 

 Bioch, is extremely nearly allied to that of Siiurus. 

 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 

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



