220 



MANY-SPINED TRYGON. 

 Trigon Tiistrix ? D'ORBIGNY. 



PLATE XX. 



Trigon histiix, D'Orbig. Voy. dans TAm. Meriod. Poiss. pi. 13 ? 

 CARIB, MACUST, and WARRAU, Siparri; PORTUGUESE, 

 Araya ; L. GERAL, Jawawure. Schomb. Drawings, No. 1 4. 



THE drawing before us approaches very near to the 

 figure given by D'Orbigny under the name we have 

 quoted ; but the dark markings of the same shape, 

 do not seem to be surrounded by a pale ring as they 

 are in that figure. On our drawings there are two 

 distinct large spines on the tail ; in the others they 

 appear as if united, while at the same time double. 

 The dorsal aspect also, of the tail, is only repre- 

 sented and described as spined ; while, in the figure 

 alluded to, the sides also have each a row nearly to 

 the very tip. In our plate the lower fish will serve 

 to shew the kind of marking represented by D'Or- 

 bigny. 



" This species was killed in the River Roowa, 

 and measures twelve inches in diameter. The 

 *~feir is greenish brown, irregularly spotted over 

 ike body with black ; on the tail is a row of fixed 





