Photos by W. Saville-Kent, F.Z.S.] 



LIMPETS, WHELKS, AND BARNACLES. 

 On the rocks at Ilf racombe when the tide was low. 



[Milfonl-on-Sea. 



SHELL BEACH, ABROLHOS ISLANDS. 

 Composed of iridescent top-shells. 



Photo* by W. SamlU-Kent, F.Z.S.] IMiljord-on-Sea. 



GREAT CLAM-SHELL ON CORAL-REEF. GIANT CLAM-SHELLS ON THE GREAT BARRIER REEF. 

 The soft parts have been removed to show the size of the shell and the AS EXP SED AT EXTREME LOW TIDE, 



pure whiteness of the interior. The shell in the foreground is 4 feet in diameter. 



741 



