LIST OF FULL-PAGE ILLUSTRATIONS IN COLOR 



PAGE 



COWRY SHELLS - Frontispiece 



Cypraea annulus, Cypraea erosa, Cypraea exanthema (half grown), Cypraea 

 exanthema (young), Cyprsea exanthema (full grown), Cypni.-a histrio, 

 Cypraea lurida, Cypraea moneta, Cyprsea mus, Cyprsea spadicea, Cyprjea 

 talpa, Trivia solandri. 



POND SNAILS AND EIVER SNAILS 18 



Ampullaria depressa, Angitrema verrucosa, Campeloma subsolidum, Lim- 

 naea megasoma, Limnaea stagnalis, Melania tetrica, Physa gyrina, Plan- 

 orbis trivolvis, Pleurocera elevatum, Vivipara contectoides. 



LAND SHELLS 46 



Acavus haemastomus, Achatinella, Cerion microstoma, Clausilia macarana, 

 Cochlostyla intorta, Cyclophorus appendiculatus, Drymaeus multilineatus, 

 Epipliraginophora fidelis, Glandina truncata, Helix nemoralis, Helix 

 pomatia, Liguus fasciatus, Nanina lamarkiana, Oni[>halina fuliginosa, 

 Polygyra albolabris, Polygyra profunda, Strophocheilus chiliensis. 



THE OYSTER AND ITS RELATIVES 69 



Cardium isocardia, Cytherea hipinaria, Lampsilis luteola, Mytilus edulis, 

 Ostrea lacerans, Pecten dislocatus, Pteria radiata, Spondylus imperialis, 

 Tellina radiata. 



SOME SNAILS OF THE OCEAN 94 



Bulla ampulla, Cerithium aluco, Crepidula fornicata, Fissuridea listeri, 

 Haliotis assimilis, Harpa nobilis, Littorina angulifera, ]\Iitra pontificalis, 

 Nerita peloronta, Strombus auris-dianae, Terebra lamarckii, Turbo peth- 

 olatus. 



EOCK SHELLS - 106 



Murex adustus, Murex axicornis, Murex bicolor, Mm-ex poniuin, Murex 

 radix, Murex ramosus, Murex tribulus, Murex trunculus. 



MARINE SHELLS 115 



Buccinum iindatum, Cassis flammea, Chiton squamosus, Conus marmoreus, 

 Cyprsea pantlierina, Fasciolaria distans, lanthina communis, Lottia 

 gigantea, Nassa glans, Oliva irisans, Tritonium olearium, Voluta musica. 



CEPHALOPODS 132 



Beak of Octopus, Paper Xautilus (Argonauta tuberculata), Pearly Nautilus 

 (Nautilus umbilicatus). 



IX 



