JELLY FISHES. 87 



Two forms of Jelly Fishes are usually found on our 

 coasts. One form has the simple umbrella, with an edging 

 of very fine transparent filaments, and some flap-like 



Fig. 1. UMBRELLA JELLY PISH. 



appendages hanging from the centre ; and the other has 

 a narrower and deeper umbrella, with a thick mass of 

 central appendages suspended from it. These latter are 

 called by the generic name of Rhizostoma, or Root- 



