426 SPARIDJE. 



lower. The other tooth, behind this scries, are arranged in a broad 



band, similarly but less developed, with the cutting margin not yet 



pointed. 



The coloration is now a uniform greyish ; but the fish ai)pears to 



have been red in life, with the dorsal, anal, and ventral tins blackish. 



inches, lines. 



Total length 20 G 



Height of the body 7 



Length of the head 4 



Distance between the eyes 1 10 



Diameter of the eye .• 10 



Length of the Hfth dorsal spine 1 9 



of the second anal spine 1 3 



of the pectoral fin 5 G 



■ of the ventral fin 3 6 



of a scale 6 



Height of a scale 8 



7. DIPTERODON. 



Dipterodon, Cuv. ^ Val. vii. p. 274. 

 A series of trenchant incisors in both jaws ; no molars ; no teeth 

 on the vomer or the palatines. Cheek scaly. Minute scales cover 

 the greater part of the soft portions of the vertical fins. Dorsal 

 deeply notched, with ten spines, nine of which foim the spinous 

 portion ; three anal spines. Prseoperculum denticulated. Scales 

 smaU. Six branchiostegals. Aii--bladder simple. 

 Cape Seas. 



1. Dipterodon capensis. 



Coracinus, Gronoi\ Zoophyl. no. 226. 



Dipterodon capensis. Cm. ^ Val. \\i. p. 276. pi. 188. 



Coracinus aper, Gronov. Syst. ed. Gray, p. 57. 



D. 9 I j^. A. j^. L. lat. 75. Vert. 10/15. 



The height of the body is 2| in the total length. Uniform dark 

 brown. 

 Cape Seas. 



a. Adidt : stuffed. Cape Seas. Procured from Sir A. Smith. 

 h. Adult. 



c. Half-grown: stuffed. Cape Seas. Prociu-ed from Sir A. Smith. 



d. Adult: skin. From Gronov's Collection. 



8. PROTEEACANTHUS. 

 Crenidens (Girella), sp., Cant. CataL p. 52. 

 In both jaws one or two series of flat tricuspid teetli, behind 

 which is a band of similar teeth, replacing the former. No molars. 

 Cheeks and opercles scaly. A recumbent spine before the dorsal; 



