TRACHICHTHYS. TRACHICHTHYS. 



Generic Character. 



Caput antice rotundatum ; 

 oculi magni: os amplum, 

 ederitulum, descendeus. 



Membr : branch : radiis 

 octo, quorum quatuor in- 

 feriores margine scabri. 



Squamte scabrae : abdomen 

 carinato-cataphractum. 



Head rounded in front : eye 

 large: mouth wide, tooth- 

 less, descending. 



Gill - membrane furnished 

 with eight rays, of which 

 the four lowermost are 

 rough on the edges. 



Scales rough : abdomen 

 mailed with large carinat- 

 ed scales. 



SOUTHERN TRACHICHTHYS. 



Trachichthys Australis. T. aldomine loricato. 

 Trachichthys with mailed abdomen. 

 Trachichthys Australis. Nat. Misc. t.3?B. 



JL HIS genus, consisting of a single species only, 

 was first described in the Naturalist's Miscellany. 

 I shall therefore repeat my former description from 

 that publication. 



This remarkable fish is represented on the plate 

 in its natural size. The body is moderately thick, 

 more especially on the fore-part : the head is very 

 large ; the mouth opening downwards in an almost 

 perpendicular direction, but in a curved line, and, 

 when closed, the outline of the head or front is com- 

 pletely oval : the eyes are extremely large> and the 



