256 



large, great- 

 ly lunated ; 

 head very ob- 

 tuse ; teeth, 

 in general, 

 spatulose and 

 crenated. 

 C. Riippelii iSw. 



Cuvierii. C 



CLASSIFICATION OF FISHES, ETC. 

 74 



Riipp. 16. 



V. pi. 289. 

 fuliffinosus. Lesson. 27. 2. 



rubropunctatus. Riipp. 1 5. 1 . 

 liiieatus. Sw. Benn. pi. 2. 

 erythromelas. Less. Atl. 27. 1 . 



Hai'purus Forster. Snout contracted and produced, 

 somewhat tubular ; body granulated and marked lon- 

 gitudinally with carinated lines ; a brush-like tuft of 

 hairs on the sides of the tail. 



H. scopas. Cuv. pi. 280. 



Zebrasoma * Sw. Snout rather pointed ; dorsal and 

 ventral fins excessively broad and rounded j body 

 without scales ; tail truncate, 

 velifer. Sw. Riipp. Atlas, pi. 15. fig. 2. Bl. pi. 427. 



Prionurus Lac. General aspect of Acanthurus ; but 

 the caudal spines are many ; body coriaceous, without 

 scales ; dorsal fin one, 



Callicanthus Sw. {fig. 75.) Head sloping; caudal 

 spines two on each side ; ventral fins immediately 

 under the pectoral, and with a connecting ^mem- 

 brane ; caudal large, lunated, the point attenuated, 



C. elegans. ( Aspisurus elegans.) Riipp. Atl. 16. fig. 2. {fig. 15. ) 



'■ This type, uniting to Acanthurus proper, cam^^letes the circle of the genus. 



