122 



MEDUSA. SEA-NETTLE. Class VI. 



3. TUBER- 

 CULATA. 



Tubercled, 



Borlases Cornwall, p. 257. tah. x'uv. Jig. 11, 12. 



M. with fifteen rays pointing to and meeting at 

 a small spot in the centre. Round the edges 

 are small oval tubera ; four plain tentacula 

 extending far beyond the body. 



4. Undu- 



LATA. 



Waved. 



Borlases Cornwall, p, 257- tah. xxv. Jig. 15. 



M. Avith undulated edges, and fangs on the 

 projecting parts ; four orifices beneath ; be- 

 tween which rises a stem, divided into eight 

 large ragged tentacula. 



5. LUNU- 

 LATA. 



Lunulated. 



Borlase's Cornwall, p. 258. tal. xxv. Jig. iQ, 17= 



M. with the circumference tuberculated on the 

 edges ; in the centre of the lower part are four 

 conic appendages forming a cross ; several 

 others, like seiTated leaves, surround it. Eight 

 tentacula, not exceeding the edges of the body ; 

 eight semilunar apertures, one between each 

 pair of tentacula. 



