ALPHABETICAL LIST OF ILLUSTRATIONS 



HALF-TONES AND LINE ENGRAVINGS 



PAGE 



AMNICOLA LIMOSA, DORSAL AND VENTRAL VIEWS OF 16 



AMPULLARIA DEPRESSA, ANIMAL OF - 21 

 ANODONTA, THE GLOCHIDIUM OF .7 



ARK SHELL, THE INTERIOR OF, Area pexata - 68 



BASKET SHELL, A - - 121 



BEACH AT Low TIDE, THE - 60 



BUTTERFLY, A COMMON SEA, OR PTEROPOD, Hycdcea trispinosa - 124 



BYSSUS OF THE BLACK MUSSEL, Mytilus edulis 63 



CALYCULINA TRANSVERSA, SHELL, FOOT AND SIPHONS OF 9 

 CAMEO OF COLUMBUS CUT IN A HELMET SHELL - 116 



CAMPELOMA, ANIMAL OF 16 

 CARRIER SHELL, A, Xenophora conchyliophorus - 101 



CASTOR-OIL SHELL, A, Ricinula ricinus 114 



CERION CHRYSALIS IN MOTION 48 



CHAMA ARCINELLA 78 



CLAM, FRESH-WATER, A CRAWLING 5 



CLAM, FRESH-WATER, INTERIOR OF THE SHELL OF A 3 



CLAM, FRESH-WATER, PARTS OF THE SHELL OF A 2 



CLAM, FRESH-WATER, SECTION OF A 7 



CLAM, FRESH-WATER, SECTION OF THE SHELL OF A 56 



CLAM, FRESH-WATER, THE EIGHT VALVE EEMOVED 5 



CLAM, HEN-, A COMMON, Spisula solidissima 78 



CLAM, INTERIOR OF THE EIGHT VALVE 64 



CLAM SHELL, SECTION OF A 4 



CLAM, SOFT-SHELLED, SECTION OF THE 65 



CLAM, SOFT-SHELLED, WITH THE LEFT VALVE EEMOVED 66 



CLAMS, SOFT-SHELLED, BURIED IN THE MUD, My a arenaria 62 



COCHLICOPA LUBRICA 31 



COLLECTING LOCALITY, A POOR 124 



COLLECTING ON THE SHORE OF A LAKE 10 



COLUMBUS, CAMEO OF, CUT IN A HELMET SHELL 116 



CONE, THE TEXTILE, Conus textile 118 



COWRY, THE LYNX, Cyprcea lynx 109 



CRAB, THE HERMIT, IN A SHELL 92 



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