284 sci.5:nid.^. 



7. SCI^NA*. 



Scifena, sp., (Artedt) Cuv. Rhpie Anim. ; Cup. ^ Val. v. p. 28. 

 Jolmius, Bl. Schi. p. 74; Cuv. if Val. v. p. 115. 

 Leiostomus, Cuv. ^ Val. v. p. 140. 

 Homoprion, Hulhr. Ichth. S. Carol, p. 168. 



Body oblong ; eye of moderate size ; the space between the eyes 

 moderately broad and shghtly convex ; muzzle convex, with the 

 upper jaw overlappiag the lower or with the jaws equal in length, 

 and with the cleft of the mouth horizontal, or slightly oblique. The 

 outer series of the jaws generally contains larger teeth ; never large 

 canines. No barbel. The second spine of the anal more or less 

 indistinct. Pseudobranchiae ; air-bladder with appendages. Pyloric 

 appendages in small number. 



Mediterranean ; Atlantic ; East Indian Seas ; coast of California ; 

 fresh waters of North and South America. 



1. Scisena amazonica. 



Johniiis amazoniciis, Cask'lnau, Anim. nouv. ou raves de VAm6r. du 

 Sud, Poiss. p. 12. pi. 4. f. 1. 



D. lol -L-. A. 4. L. lat. lOOt. L. transv. i|. Vert. 12/13. 



■ I 33-34 6 20 ' 



The height of the body is fom- times in the total length, the length 

 of the head 3| ; the diameter of the eye is one-sixth of the latter. 

 The snout is slightly convex, with the jaws nearly equal in front, 

 and 1| as long as the eye. The upper maxillary reaches to the level 

 of the posterior margin of the orbit. The prseoperculum has the 

 angle produced behind and very indistinctly denticulated ; operculum 

 with two points. CaudaUs rhomboidal ; the second anal spine rather 

 feeble, its length being 4| in that of the head. Dorsal and caudal 

 fins mth blackish margins ; axil blackish. 



Eivers of Brazil. 



a. Fine specimen. S. America. Presented by Sir R. Schomburgk. 



b. Fine specimen. Eiver Capin (Para). Purchased of Mr. Stevens. 



c. Adult : skeleton. Eiver Capin. Purchased of Mr. Stevens. 



d. Half-grown. Capin. Purchased of Mr. Stevens. 



e. Adidt. From the Collection of the Zoological Society. 

 Skeleton. — Three portions may be distinguished in the maxillary 



bone : the basal portion, with a superior articular cavity for the pro- 



» 1. Corvina? albiflora, Rich. Ichth. Chin. p. 226. — China. 



2 Johiiius resplendens, Hombr. ^ Jacq. Poiss. Voy. Pok Sud, p. 46. pi. 5. 

 i.l.—Hab. ? 



3. Scisena (?) rubella, Natur. Libr. Fishes of Guiana, ii. p. 133. — Eivers of 



Guiana. 



4. Corvina grunniens, Natur. Libr. Fishes of Chiiana, ii. p. 136. pi. 2. — 



Essequibo. 



5. Scifena crocea, Richards. Ichth. Chin. p. 224. — Chinese Seas. — The spe- 



cimen, mentioned by Sir J. Kichardson as in the British Museum, is 

 not to be found in that collection. 

 + The scales of the lateral line being much larger than the others, this num- 

 ber gives that of the transverse rows above and below the lateral line. 



