PISCES. 173 



Note. Emmelichthys RICHARDS, and Aphareus Cuv. appear to 

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

 tegous membrane seven, and in Emmelichthys two distant dorsal 

 fins. Mouth protractile into a horizontal tube; see BLEEKER, L L 

 p. 26. Aphareus is distinguished by the mouth not protractile, 

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

 elongate. Comp. Cuv. et VAL. Poiss. vi. pp. 485 491. 



Sp. Aphareus ccerulescens Cuv., Caranxomorus sacrestinus LACEP., Labrus 

 furca ejusd. Poiss. m. PL 22, fig. i, Cuv. et VAL. Poiss. vi. PL 167 Us; 

 hab. in Indian Ocean ; Aphar. rutilans Cuv., habit, in Red Sea. 



Chcetopterus SCHLEG. Habitus of Apliareus, but branchiostegous 

 membrane with four rays. 



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



B. Mouth not protractile. Rays of branchiostegous membrane 

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

 Cuv.) Genus Sparus 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 

 both 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 mttatus Cuv., Sparus vittatus BLOCH Ickth. 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 Cuv., Sparus dentex L., BLOCH Ichih. Tab. 268, Cuv. et 

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

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

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

 known. 



** Cheeks naked. 



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

 some rounded). 



Sp. Lethrinus nebulosus EHBENB., Sci&na nebulosa FORSK., Red Sea; 

 Lethrinm rostratus K. and V. HASS., from the Indian Ocean, as are most 

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



