Dog-whelk {Purpura lapillus) laying eggs ; below : two closed up Beadlet 



Anemones (Actinia equina) % x|. (pp. 32, 50). 



I 



PI 13 



C33. 



Sea slues (Lamellidoris bilamellata) depositing their egg ribbons, x£. 



(p. 37). 



