Tank No. 7. 



17 



Tank No. 7. 



Fishes. Grey Mullet {Mugil, fig. 45), slender and silvery, the under- 

 lip shaped like a W. Umhrina (fig. 48), dark with light 

 undulating stripes. 



Crustaceans (p. 78). Crawfish or Spiny-lobster (Palinurus, fig. 47). 

 like a lobster without large pinching claws. Note the constant 

 movements of feelers and mouth-parts. The eyes are placed 

 on moveable stalks and can be retracted into recesses on the 

 head. Flat-lobster {Scyllarus, fig. 46), lobster-like, with short 

 flat legs and claws. 



Fig. 45. Mugil ccphahts (Grey Mullet), V2 nat. size. p. 1 14. 





Fig. 47. Palinurus vulgaris (Crawfish), Vs "at. size. p. 80, 



