248 PKKCID^. 



I refer this fish for the present to Apogonichthys, as there is no 

 mention of a serrature of the praeoperculiim in the description. The 

 fiariire also exhibits an entire limb of this bone. 



46. CHILODIPTERUS. 



Cheilodiptenis, Lacep. iii. p. 539 ; Cut. 6f Val. ii. p. 162. 



Seven branchiostegals. Villiform teeth vrith the addition of ca- 

 nines, generally in both jaws ; teeth on the palatine bones. Two 

 dorsals, separated by an interspace, the fii'st with six, the anal fin 

 with two spines. Operculum without points, prseoperculum with an 

 interior ridge and generally with double serrature. Scales large, 

 deciduous. 



From the Red Sea through the Indian Ocean into the Pacific. 



1. Chilodipterus octovittatus. 



Cheilodipterus lineatus, Lacep, iii. p. 543. pi. 34. f. 1. 

 Centropomus macrodon, Lacep. iv. p. 273. 

 Cheilodiptenis octovittatus, Cm\ S} Val. ii. p. 163. 

 heptazona, Blvek. Fere. p. 29. 



CaudaHs notched. Whitish, with eight black longitudinal bands 

 on each side ; a black blotch on each side of the base of the caudal fin. 

 Red Sea; Indian Ocean. 



a. Adult. Mauritius. From the Collection of the Zoological Society. 

 h. Adult. Amboyna. From Mr. Frank's Collection. 

 c. Adult. India. Presented by the Zoological Society. 



2. Chilodipterus lineatus. 



Perca lineata, Forskal, Descn'pt. Anim. p. 42. no. 43; Ri'tpp. N. W. 

 Fische, p. 89. 



arabica, Linn. Si/st. Nat. i. p. 1312. 



Centropomus arabiciis, Lacep. iv. pp. 250, 255. 

 Cheilodipterus arabicus, Cuv. t^- Val. ii. p. 165. pi. 23. 



Caudalis notched. On each side 14—16 black longitudinal lines ; 

 a black blotch on each side of the base of the caudal fin. 

 Red Sea. 



a. Adult. Red Sea. 



6. Adixlt. Madagascar. Presented by Dr. J. E. Gray. 



3. Chilodipterus quinquelineatus. 



Cheilodipterus quinquelineatus, Cuv. «§• Val. ii. p. 167 ; Fiqjp. N. TV. 



Fische, p. 89 ; Lesson, Zool. Voi/. Duperr. ii. p. 237 ; Bleeker, Amb. 



8f Cer. p. 252. 

 Apogon novemstriatiis, Riipp. N. W. Fisclie, p. 85. t. 22. f. 1. 



Caudalis notched, with ten black longitudinal bands — four on 



