506 



CJCHLID.E. 



35-37^'; lateral lines '^|^, lower not extending to root of caudal. 

 Uniform dark brown ; a round blackish spot above the axil ; pectoral 

 yellowish. 



Total length 170 millim. 



Madagascar. — Type in Leyden Museum. 



1. Ad. 



] 



menna. 



Rev. R. Baron (C). 



Fig. 351. 



WSm 



wmSm 



wSM 



Paretroplus pnlyactis. 



Tatnatave. 



2. PARETROPLUS POLYACTIS. 



Bleek. Vers]. Ak. Auisterd. xii. 1878. p. 195, pi. iii. fig. 2 ; Sauv. Hist. Madag., 



Poiss. p. 446, pis. xliv. a. fig. 7, and xliv. B. fig. 2 (1891) ; Bouleng. 



Proc. Zool. Soc. 1899, p. 142 ; Pellegr. Mem. Soc. Zool. Fiance, xvi. 1904, 



p. 359. 

 I'aretroplus damii (non Bleek.), Steind. Sitzb. Ak. Wien, lxxxii. i. 1880, 



p. 247. 



Depth of body If to 2 times in total length, length of head 3 times. 

 Head 2 to 2j times as long as broad ; snout strongly compressed, 1^ 

 times as long as eye, which is 4 to 4J times in length of head and 1^ to 

 1^ times in interorbital width ; mouth extending to between nostril and 

 eye ; 3 or 4 series of scales on the cheek, depth of scaly part equal to 

 or a little less than diameter of eye. Gill-rakers short, 11 or 12 on 

 lower part of anterior arch. Dorsal XV1-XVII1 17-18 ; last spine 



