PJioto by W. Savillt-Kint, F.Z.S.] 



LIMPETS, WHELKS, AND BARNACLES 



On the rocks at Ilfracombe -when the tide -was low 



[Milford-tn-Si* 



SHELL BEACH, ABROLHOS ISLANDS 



Composed of iridescent top-shells 



Photos by ff. Savilli-Ktnt, F.Z.S. 



GREAT CLAM-SHELL ON CORAL- 

 REEF 



Tkt toft farts ha-ve been removed to show the size of the shell 

 and the pure -whiteness of the interior 



GIANT CLAM-SHELLS ON THE 



GREAT BARRIER REEF, AS EXPOSED 



AT EXTREME LOW TIDE 



The thell in the foreground it 4 feet in diameter 



741 



