248 PEKCID*. 



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

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

 figure also exhibits an entire Hmb of this bone. 



4(j. CHILODIPTERUS. 



Cheilodipterus, LacSp. ill. p. 539 ; Cuv. Sf Val. ii. p. 162. 



Seven branchiostegals. Villiform teeth with the addition of ca- 

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

 dorsals, separated by an interspace, the first with six, the anal fin 

 with two spines. Operculum without points, praeoperculum with an 

 interior ridge and generally with double seiTature. Scales large, 

 deciduous. 



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



1. Chilodiptems octovittatus. 



CheUodipterus lineatus, Lactp. ill. p. 543. pi. 34. f. 1. 

 Centropomus macrodon, Lacip. iv. p. 273. 

 CheUodipterus octovittatus, Cui-. (§• Val. ii. p. 163. 

 heptazona, Bleek. Perc. p. 29. 



CandaHs 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. 



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



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



2. Chilodipterus lineatus. 



Perca lineata, Forskal, Bescrj^f. Anim. p. 42. no. 43; Riipp. N. W. 

 Fische, p. 89. 



arabica, Linn. Syst. Nat. i. p. 1312. 



Centropomus arabicus, Lac&p. ivi pp. 250, 255. 

 Cheilodiptferus arabicus, Cuv. i^ 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. 



h. Adiilt. Madagascar. Presented by Dr. J. E. Gray. 



3. Chilodiptems quinquelineatus. 



Cheilodipterus quinquelineatus, Ctw. Sr Val. ii. p. 167 ; Riipp. K W. 



Fische, p. 89; Lesson, Zool. Vorf. Duperr. ii. p. 237; Bleeker, Atnb. 



^ Cer. p. 252. 

 Apogon novenistriatus, Riipp. N. W. Fische, p. 86. t. 22. f. 1. 



Caudalis notched, with ten black longitudinal bands— four on 



