ACTINARIA. 



FIG. 720. 



477 



Actinia or Sea-Anemone, Metridium marginatum, Milne-Edwards.-c, closed; o, opeu- 



iug; e, expanded. 

 FIG. 721. 



Actinia or Sea-Anemones which live in the sand and are often unattached. 



1. reachia hastata, Gosse.-2. Edwarteia calUmorpha. O.-3. Hnlocampa chr.jtanlhcl- 



lum, Q. the last mostly buried iu the sund. 



