164 PERCID^. 



with three very strong spinous teeth ; suboperculum with three acute 

 spines at the lower angle. Caudahs truncated. Brown, with small, 

 scattered blackish spots on the back and the dorsal fin. ( Val.) 

 Banc des Aiguilles. 



14. Plectropoma brasilianum. 



Plectropoma brasilianum, Cuv. 8f Val. ii. p. 397. 



P Plectropoma patachonica, Jenyns, Zool. Beagle, Fishes, p. 11. 



^•1^6- A. ,48- [D.{|. -A.ICC^..).] C«c.pylor.9. 



PrsBoperculum finely serrated behind, and with four spinous teeth 

 below. Caudalis truncated. Greyish brown, with irregular reddish 

 bands. 



Coast of Brazil. 



The specimens described by Jenyns exhibit only three spinous 

 teeth at the horizontal limb of the praeoperculum. 



a. Adult : stufied. Sine patria. 



h, c. Half-grown : stuifed. Sine patria. 



15. Plectropoma chloroptemm. 

 Cuv. 8r Val. ii. p. 398 ; Poey, Memor. Cuba, 1851, p. 73. lam. 9. f. 3. 

 D. |i. A.|. L. lat. 70. Ckc. pylor. 8. 



Praeoperculiun finely and equally serrated behind, and with two 

 spinous teeth below, the anterior of which iu the largest. Caudalis 

 rounded. Olive, marbled with brownish black ; throat white-spotted. 



Caribbean Sea. 



16. Plectropoma pictnm. 

 Tschudi, Fauna Peruana, Ichthyol. p. 5. 

 D. H. A.i-. 



17 9 



This species appears to be different from the preceding (PI. 

 chloropterum), although closely allied, according to the descriptions 

 referred to. 



Operculum with three spines ; praeoperculum serrated behind, and 

 with two spinous teeth beneath, the anterior of which is the strong- 

 est, the other situated at the angle ; fins and snout scaly. Caudalis 

 rounded ; the fourth dorsal spine longest ; the third of the anal fin 

 rather shorter than the second; pectorals extending beyond the 

 front end of the anal fin. Silvery white, with rose-coloured mark- 

 ings. (Tschudi.) 



Coasts of Chili and Peru. 



17. Plectropoma monacanthus. 



Miill. ^ Trosch. in Schomb. Hist. Barb. p. 665. 

 A single strong spine in front of the angle of the praeoperciidum. 



