364 



ROCK CH.STODON. 



Chaetodon Saxatilis. C. griseus, corpore ovato, fasciis quntuor 



pinnis caudaque nigricantibits. 

 Grey Chaetodon, with ovate body, and with the fins, tail, and 



four transverse bands blackish. 

 Chaetodon saxatilis. Block, t. 206.f. 2. 



ALLIED to the preceding species, but of a more 

 oblong shape : colour grey, darkest on the back : 

 body crossed by four equidistant blackish bars : 

 fins and tail blackish : gill-covers smooth : tail 

 deeply forked, with subfalcated lobes: scales rather 

 large, and resembling those of a carp. Native of 

 the South-American and Indian seas, seldom grow- 

 ing to a greater length than six or eight inches, 

 and not much esteemed as a food. 



MAURITIAN CHvETODON. 



Chaetodon Mauritii. C. supra ccerulem, fasciis sex angustis 

 transversis decurrentibus mgris, subtus argenteus. 



Chnetodon with the upper parts blue crossed by six narrow 

 decurrent bands, the lower parts silvery white. 



Chaetodon Mauritii. Block, f. 213. 



SHAPE similar to that of a carp : scales of mode- 

 rate size : body dusky blue above, silvery white 

 beneath : across the upper parts six narrow blackish 

 bands, reaching almost to the abdomen : fins and 

 tail brown: gill-covers smooth. Native of the 

 Brasilian seas, growing to the length of two feet, 

 and esteemed as a food. Described by Dr. Bloch 



