S P O N G I A. 191 



This little Sponge, when magnified, is covered all 

 over with little rifing points ; it is hollow and open at 

 the top : the rays that compofe the little crown are of a 

 bright mining pearl color ; the body is of a pale yel- 

 low. It was found with the foregoing in the harbour of 

 Emfworth. 



EXLPLA- 



