PISCES. 173 



Note. — Emmelichthys Richards, and Aphareus Cuv. appear to 

 me doubtful genera or of uncertain position. Rays of brancliios- 

 tegous membrane seven, and in Emmelichthys two distant dorsal 

 fins. Moiitli protractile into a horizontal tube; see Bleeker, 1. 1. 

 p. 26. Aj^hareus is distinguished by tbe mouth not protractile, 

 with gajDe ample, dorsal and anal fins single, with last ray of both 

 elongate. Comp. Cuv. et Val. Poiss. vi. pp. 485 — 491. 



Sp. Aphareiis cosrulescens Gov., Caranxomorus sacredinus Lacep., Lahrus 

 furca ejusd. Poiss. iil. PI. 22, fig. i, Cuv, et Val. Poiss. vi. PL 167 hisj 

 hab. in Indian Ocean ; — Aphar. rutilans Gov., liabit. in Red Sea. 



Chcetopterus Schleg. — Habitus of Aphareus, but branchiostegous 

 membrane with four rays. 



Comp. Faun. Japmi., Pise. pp. 78, 79. 



B. Mouth not protractile. — Bays of branchiostegous membrane 

 six, in few five. Teeth none in vomer or in palate-bones. (Sparoidei 

 Cuv.) Genus Sjyarus Art., L. (excl. some species). 



A. Teeth some conical, others small, crowded. 

 * Cheeks scaly. 



Pentapus Cuv. Teeth fine, short, crowded, in a narrow belt in 

 Iboth jaws; a few teeth larger, sharp, anterior. Three elongate 

 scales at the ventral fins, two lateral, the third in the middle be- 

 tween them. Eyes large. 



Sp. Pentapus vittatus Guv., Sparus vittatus Bloch IcTith. Tab. 275, &c. 



Dentex Cuv. Maxillary teeth in several rows in the middle, at 

 the sides large, conical in a single row; some of the anterior often 

 larger, sharp, 



Sp. Dentex vulgaris Guv., Sparus dentex L., Bloch Iclith. Tab. 268, Cuv. et 

 Val. Poiss. vi. PI. 153; in the Mediterranean Sea. To this genus belong 

 many species from the Atlantic Ocean, the Eed Sea, and especially from 

 the Indian Ocean. Many fossil species also from Mo7ite Bolca are 

 known. 



■ ** Cheehs naked. 



LetJirinus Cuv. (Posterior lateral teeth in some conical, in 

 some romided). 



Sp. Lethrinus nebulosus Ehrenb., Scicena nebulosa Forsk., Eed Sea; 

 — Lethrinus rostratus K. and V. Hass., from the Indian Ocean, as are most 

 of the species. Some are famed as great delicacies, as Lethrinus centurio 



