402 



RADIATA. 



digested, the empty shell being, after some hours, 

 disgorged through the same aperture. The young 

 are formed in the interior of the body, and vomited 

 through the mouth ; but occasionally they push 

 through the flesh, and, appearing on the surface like 

 buds, gradually disengage themselves. These marine- 





ANIMAL- FLOWERS : 1. Actinia Alcyonoides ; 2. A. Gemmacea. 



flowers are very interesting subjects of observation, 

 when kept alive in a glass vessel of sea-water, espe- 

 cially as they do not require much attention beyond 

 the occasional change of their water ; for, though 

 voracious, they are capable of long abstinence. They 

 are easily procured, as our rocky shores abound with 



