52 



Part first. 



Tank Nr. S6. 



Brightly coloured Fishes. Lettered-perch , as in tank 14, may 

 be recognized. Jnlis pavo (fig. 156) , with peacoclc-blue 

 fins, and Coris vulgaris (fig. 157), a shiny white stripe 

 down the side. Xyriclithys (hg. 155), larger than those, of 

 pink colour. Butterfly-fish {Blennius, fig. 158), with a back- 

 fin like the wing of a butterfiy, bearing an eye-like spot. 



Fig. 155. Xyrichthys novacula, 

 ^1^ nat, size. p. 96. 



Fig. 156. Julis pcwo, 

 Vj nat. size. id. 95. 



Fig. 157. Coris vulgaris, 

 V2 nat. size. p. 95. 



Fig. 158. Blennitis ocellaris 



(Butterfly-fish), 



^/g nat. size. p. 93. 



