135 



CORVINA. 



"We have next a fish which we arrange in the 

 genus Corvina of^Cuvier, and the Brazilian Fishes. 

 The^ greater number of species inhabit the sea; but 

 we have some in the estuaries of the Ganges, and 

 also in the lakes of North America. The fish given 

 by Spix, C. adusta, is from the Brazilian seas ; it is 

 represented of a uniform olive-brown, paler be- 

 neath, tinted with reddish yellow about the head 

 and opercula. 



" CORVINA, Cuvier. Corpus elongatum plus minusve com- 

 pressum squamis non adeo magnis undique tectum. 

 Caput minus compressum, squamis variae magnitudinig 

 omnino abductum ; rostrum inflatum obtusissimum, 

 parva prominens, cavernosum. Operculum postice acu- 

 leatum, latum ; suboperculum angustum, praeoperculum 

 aculeis majoribus minoribusve armatum. Membrana 

 branchiostega lata, radiis 7. Apertura branchialis sat 

 magna. Os mediocre sub rostri apice, arcuatum, supra 

 in ossibus intermaxillaribus et infra in mandibularibus 

 lata fascia dentium velutinorum minutissiorum arma- 

 tum. Pinnae dorsales duae ; anterior aculeis gracillibus 

 longioribus, posterior longior radiis fissis basi tantum 

 squamatis suffulta. Pinna caudalis basi plus minusve 

 equamata. Pinna analis parva antice aculeis majoribus 

 minoribusve armata. Pinnae ventrales longe accumi- 

 natae, acuieo primo tenui ; pectorales longiores accumi- 

 natae." 



