164 



THE OCEAN WORLD. 



single orifice in the centre of the peduncle, with four long, fur- 

 belowed, unfringed arms. Gaudichauds Chrysaora is found round 

 the Falkland Islands. The disc forms a regular half-sphere, very 



Fig- 55- — Rhizostoma Cuvierii. 



smooth, and perfectly concave, forming a sort of canopy in the 

 shape of a vault. The circle which surrounds it is divided into 

 sections by means of vertical lines, regularly divided, of a reddish- 

 brown colour, which form an edging to the umbrella-like disc. 

 Twelve broad regular festoons form this edging. From the summit 

 of these lobes issue twelve bundles of very long, simple, thread- 



I 



