270 PEECIDiE. 



9. Dules malo. 



Duk'S malo, Cui\ ^ Val vii. p. 479 ; Dunwnt (T Urville, I. c. p. 4^}. 

 pi. Ji. f. 4. 



mato, Less. Voy. Coq, Zool, ii. p. 223, 



leuciscus, Jenyns, Zool, of the Beagle, Fishes, p. 17. 



The height of the body is one-third of the total length (without 

 caudal fin) ; the diameter of the eye is larger than one-third of tlie 

 length of the head, or than the distance between the eyes. Silvery 

 white, brouTiish on the back; the dorsal, 'anal, and ventral fins 

 brown-spotted. 



River Matavai (Otaiti), 



10. Dules bennetti. 



Perca aigentea, Bennett, Fishes of Ceylon, pi. 22. 



Dules bennetti, (Sleeker) Peters, Wieym. Arch. 1855, p, 238. 



B, 5? {Bennett). D. ^. A.:^. L. lat. 50. L. transv. 6/12. 



Caudalis forked. Uniform silvery ; a black streak along the middle 

 of the caudal, and on each lobe two oblique black transverse bands, 

 confluent into an oval ; all the other fins immaculate. (Benn.) 



Sea of Ceylon (Bennett), Fresh waters of Mozambique (Peters). 



a. Adult. Presented by Sir A. Smith. — The soft dorsal fin with a 

 black tip. Perhaj)S a variety- of D. tceniurus. 



11. Dules ambiguus. 

 Datnia ambigua, Richardson, Voy. Ereh. i^- Terr. Fishes, p. 25. pi. 19. 

 D. {5. A. |. L. lat. 85. 



The spines of the fins-vciy strong ; tlic snout rather elongate, much 

 longer than the eye ; pi-aeopcrculum mth spinous teeth at the infe- 

 rior hrab, directed fonvards. Coloration uniform. 



Western Australia. 



a. Adult : bad state ; has been in chloride of zinc. From the Haslar 



Collection. 

 6, c. Adidt ; stuft'cd. West Australia. Presented by Captain Sir G. 



Grey. 



