ACANTHOPTERYGII. 133 



of a Dascyllus, that is, small and crowded. They are found in both 

 oceans. (1) 



FAMILY IV. 



SPAROIDES. 



The Sparoides, like the Scienoides, have a palate destitute 

 of teeth. Their general figure and several details of their or- 

 ganization are the same ; they are also covered with scales 

 more or less large, but they have none on the fins. Their 

 muzzle is not gibbous, nor the bones of their head cavernous ; 

 there are neither indentations in their preoperculum, nor 

 spines on their operculum ; their pylorus is furnished with 

 caecal appendages. They never have more than six rays in 

 the branchiae. They are divided according to the form of 

 their teeth. 



In the first tribe, that of Sparus, Cuv. the sides of the 

 jaws are furnished with round molars en paves ; we subdivide 

 it into five genera. 



Sargus, Cuv. 



Trenchant incisors in front of the jaws almost similar to those of 

 Man. 



Several of them which differ but little from each other inha- 

 bit the Mediterranean, and are even found in the gulf of Gasco- 

 ny. They are marked with vertical, black bands on a silver 

 ground.(2) 



Some have emarginated incisors. (3) 



The round molars of others are on a single line and very 

 small. From the Mediterranean.(4) 



(1) The species are new; we describe them in our 5th vol. 



(2) The Sargue de Rondelet {Sargus raucus, GeofF. ) Eg'., Poiss., pi. xviii, 1, 

 Rondelet, 122. Sp. pantazzo, Risso; the Sargue de Salviani (Sargus vulgaris, 

 G. ), Eg., XVIII, 2; Salviani, fol.179, Pise. 64; the Sparaillon, [Sargus annularis, 

 L.), Rondel , 118; Salv., 63; Laroche, Ann. Mus. XlII, pi. xxiv, f. 13; Sp. avis, 

 Mitch., or Sheephead of the United States. 



(3) Perca unimaculata, m., 308, 1, or Salema, Mavcgv., 153; Sparus crenidens, 

 Forsk., probably belongs to this subdivision. 



(4) S. puntazzo, Gm., or Sp. acutirostris. La Roche, Ann. Mus. XIII, xxiv, 12, 

 of which Risso makes his genus Chabax. 



