306 SCI^NID^E. 



either in both the jaws, or in the uppei' alone. Praeopercuhim den- 

 ticulated or crenulate. Scales of moderate size or small. Air-bladder 

 in some with a horn-like process on each side, rlirectcd forwards, in 

 others -nath numerous lateral appendages. Pyloric appendages in 

 small number. 



Inhabitants of the tropical seas ; some entering fresh waters. 



1. Otolithus SBquidens. 



Cm. Sf Vol V. p. 66 ; Smitfi, HI. Zool. S. Afr. Pisces, pi. 1.3 (too slender). 

 D-10|^. A.|. 



The height of the body is one-fifth of the total length, the length 

 of the head one-foiu'th. Lower jaw longest ; teeth in both the jaws 

 in broad card-like bands ; the upper maxillary reaches nearly to the 

 posterior margin of the orbit. Prseojiercidum scarcely denticulated, 

 with the angle rounded and rather projecting. Caudal fin emarginate. 



Cape Seas. 



a,b. Large specimens : stuffed. 



2. Otolithus senegalensis. 

 Cuv. 4- Val. ix. p. 476. 



D. 10 I ^. A. y. L. lat. 45-50. C^c. pylor. 6. 



The height of the body is one-sixth of the total length, the length 

 of the head one-fourth ; the diameter of the eye is one-sixth of the 

 latter. Canine teeth of moderate size. The caudal fin is elongate, 

 pointed, and equals the pectoral in length. Greenish, with narrow 

 oblique streaks or with indistinct spots. {Val.) 



Coast of Gorea. 



3. Otolithus carolinensis. 



Otolithus carolinensis, Cm: 4" Val. ix. p. 475; DeJcm/,New York Fauna, 



Fishes, p. 72 ; Holbr. Ichth. S. Carol, p. 13.3. pL 19. f. 2. 

 Cestreus caroliueusis, Gronor. Syst. eel. Gray, p. 49. 



The height of the body is nearly one-fifth of the total length, the 

 length of the head two-sevenths. No canines in the lower jaw, 

 those of the upper moderate. The upper maxillary does not reach 

 to the posterior margin of the orbit. Pra;operculum scarcely denti- 

 culated, with the angle rounded and projecting. Caudal nearly 

 truncated. Back and sides, dorsal and caudal fins spotted; anal 

 blacliish. Pseudobranchiae. 



a. Adult. New York. 



h, c. Adult. From the Haslar Collection. 



d.? Fine specimen. Gulf of Mexico. From the Haslar Collection. 



— A. — ; pectoral shorter than the distance between the eye and 



the point of the operculum. 



I 



