CLASS PISCES. 203 



of ventrals '. Besides this, there are the trenchant 

 blades, of which we have just spoken : and there is 

 even one species in which these blades are notched 2 . 



Luvarus, Rajin. 



Apparently closely approaches peprilus : the extre- 

 mity of the pelvis is furnished with a small scale that 

 acts as an operculum to the anus; no trenchant blades; 

 a prominent carina on each side of the tail, as in the 

 tunny, &c. 



Luv. imperialis, Rafin. Ind. d'lttiol. Sicil. pi. i. f. 1. 

 Silvery, with a reddish back. An extremely large 

 species that inhabits the seas of Europe 3 . 



Seserinus, Cuv. 



Have all the characters of stromateus, even inter- 

 nally ; but they exhibit two very small ventrals, or 

 rather two vestiges of ventrals. 



There is a small species from the Mediterranean, 

 {Seserinus Rondeletii, Cuv.), Rondel. 257. 



Kurtus. 

 Closely allied to Peprilus, from which they prin- 



1 Chcetodon alepidotus, L., or Stromateus, longipennis, Mitch. 

 Sir. cryptosus, Mitch. Str. paru, Sloane, Jam. ii. pi. ccl. f. A. 



2 Peprilus crenulalus, Cuv., a small and new species. 



3 A specimen was taken at the isle of Re, in 1826, a drawing of 

 which was forwarded to us by M. Journal Rouquet. We suspect that 

 we should refer to it, at least as a congener, the Ausonia Cuvieri, 

 Risso, 2d ed. pi. xi. f. 28. which is figured, however, with two anal 

 spines. 



