180 



MANY-SPINED TRYGON. 



Trigon histrix ? D'Orbigny. 



PLATE XX. 



Trigon Tiistiix^ D'Orbig. Voy. dans rAm. Meriod. Poiss. pi. 1^ ? 

 — Carib, Macust, and Warrau, Siparri ; Portuguese, 

 Araya ; L. Geral, Jawawure. Schonib. DroAoings^ No. 1 i. 



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 

 colour is greenish brown, irregularly spotted over 

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



