512 TRACHINIDJE. 



12. Percis semifasciata. 



aw. 8f Val iii. p. 276. pi. 62. 



D.A A. 24. 



Back brown, dotted with darker, and with six darker cross-bars ; 

 the soft dorsal with a series of brown spots. (Cuv.) 

 Hah. ? 



13. Percis nycthemera. 



Cuv. 8f Vol. iii. p. 274 ; Less. Voy. Coq. Zool. Poiss. p. 218 ; Cuv. Bignc 

 Anim, lU. Poiss. pi. 15. f. 2. 



D. ^. A. 17. Cffic. pylor. 4. 



The interspace between the eyes is one-half longer than their dia- 

 meter. The fifth dorsal spine is the longest. Above brown, beneath 

 whitish ; five series of brown spots on the soft dorsal ; the spinous 

 portion entirely brown. {Guv.) 



New Zealand. 



14. Percis colias. 



Gadus colias, Forster. 

 Enchelyopus colias, Bl. Sckn. p. 54. 

 Percis colias, Cuv. ^ Val. iii. p. 273. 



D. ^. A. 18. {Forst) 



Back and fins blackish -blue, belly whitish ; operculum and the 

 posterior part of the dorsal black-spotted. 

 New Zealand. 



8. APHRITIS. 



Cuv. 8f Val. viii. p. 483. 



Cylindrical, elongate ; cleft of the mouth slightly oblique, with 

 the lower jaw rather longer ; eye lateral. Scales rather small, 

 minutely cUiated. Two separate dorsals, [the first with six spines] ; 

 ventrals jugular, with one spine and five soft rays ; the lower pectoral 

 rays branched. Villiform teeth in the jaws, on the vomer [and the 

 palatine bones], without canines. Operculum with a flat point, pra- 

 operculum entire. Six branchiostegals. Air-bladder none ; pyloric 

 appendages in sr-.all number. 



Fresh waters of Van Diemen's Land. [Western coasts of South 

 America.] 



1. Aphritis urvillii. 



Cuv. 8f Val. viii. p. 484. pi. 243. 



D. 6 I 19. A. 25. L. lat. 65. Cffic. pylor. 4. 

 Palatine teeth. Caudal truncated. Reddish, marbled vdih brown- 

 ish ; dorsal and caudal fins with series of red dots. ( Val.) 

 Fresh waters of Van Diemen's Land. 



