lour, it varies extremely ; fome fpecimens being feen 

 almofl all purple, others all yellow, or variegated with 

 purple branches and veins. 



The vegetable part or Hem is of a very dark horn- 

 colour, or brown • the animal part confifts of the cal- 

 careous yellow or purple incruftation ; thickly befet 

 with fmall protuberances, in each of which is a cavity, 

 which, (in the recent coral) is the habitation of a fmall 

 Polype. 



Fig. i. A fmall detached part, Qightly magnified, (hewing the 

 cells in which the Polypes refide. 



Fig* 2. The Polype itfelf (lightly magnified. 



