Sea Anemones, (p. 36). 



1. Sagartia elegnns. 2. Actinia equina. 3 & 4. Sagariia viduata 



(closed and expanded). 



Phcto. D. P. Wilson. 



PL i6. ^ jy 45 



Shore Crab (Carcinus tnaenas) casting shell, Xi. (p. 53). 



