INDEX OF GENERA, SUBGENERA. AND SECTIONS 



Atra, 61 



Acanthochites, S4 

 Acanthopleura, 24 

 Acar, 28 

 Acmaea, 74 

 Acropagia, 57 

 Acteoclna, 139 

 Acteon, 138 

 Acus, 132 

 Adeorbis, 98 

 Admete, 138 

 Alaba, 98 

 Alabina, 107 

 Alexia, 145 

 Amalthea, 94 

 Amauropsis, 93 

 Amerlcardia, 50 

 Amphineura, 22 

 Amusium, 35 

 Anachis, 119 

 Anatina, 65 

 Anclstrosyrinx, 134 

 Angulus , 58 

 Anomalocardia, 55 

 Anotnia, 36 

 Antigona, 53 

 Aphrodite, 50 

 Aplysia, 142 

 Apolymetis, 60 

 Aporrhals, 107 

 Area, 26, 16 

 Archltectonlca, 98, 13 

 Argonauta, 149 

 Asaphis, 63 

 Aspella, 115 

 Astarte, 43 

 Astraea, 81 

 Astralium, 81 

 Astyrls, 120 

 Atlanta, 91 

 Atys, 139 



Auriculastrum, 145 

 Avioula, 30 



Balantlum, 144 

 Barbatia, 28 

 Barnea, 69 

 Basterotla, 67 

 Bellucina, kZ 

 Blttlum, 107 

 Blaunerla, 147 

 Boreoscala, 85 

 Botula, 38 

 Buccinum, 121 

 Bulla, 140 

 Bullina, 140 

 Busycon, 54, 11, 14, t'^'* 



Cadulus, 72 

 Caecum, 102 

 Calliostoma, 79, 14 

 Calluclna, 46 

 Calyptraea, 95 

 Cancellarla, 138 

 Cantharus, 122 

 Capulus, 94 

 Cardita, 44 

 Cardium, 48, 16 

 Carinarla, 91 

 Cassis, 111 

 Cavilucina, 46 

 Cavolina, 143 

 Cerastoderma, 49 

 Ceratozona, 23 

 Cerithidea, 106 

 Cerithlopsis, 105 

 Cerithlum, 105 

 Ceronia, 66 

 Chaetopleura, 23 

 Chama, 44 

 Charonia, 113 

 Chellea, 94 

 Chi one, 53 

 Chiton, 23 

 Chlamys, 33 

 Chlorostoma, 78 

 Choristodon, 56 

 Chrysodomus, 123 

 Clathodrillia, 135 

 Cleodora, 144 

 Clio, 144 

 Clione, 144 

 Cochliolepis, 80 

 Cochlodesma, 40 

 Codakia, 47 

 Colubraria, 118 

 Columbella, 119 

 Colus, 124 

 Congeria, 39 

 Conus, 133 

 Coralllophaga, 56 

 Coralliophila, 118 

 Corbula, 66 

 Corolla, 144 

 Couthouyella, 89 

 Crassatella, 43 

 Crassinella, 43 

 Crenella, 39 

 Crepidula, 95 

 Creseis, 143 

 Cruoibulum, 95 

 Cumingia, 62 

 Cuspidaria, 41 

 Cuvieria, 144 



Cuvierina, 144 

 Cycllnella, 53 

 Cycloscala, 85 

 Cylichna, 140 

 Cylichnella, 140 

 Cymaosyrinx, 134 

 Cymatium, 112 

 Cyphoma, 109 

 Cypraea, 110, 12 

 Cyrenella, 45 

 Cytherea, 53 



Daphnella, 137 

 Dentalium, 71 

 Detracia, 147 

 Diadora, 76 

 Diaphana, 140 

 Dimya, 32 

 Diostoma, 107 

 Diplodonta, 45 

 Distorsio, 113 

 Divaricella, 47 

 Dolium, 112 

 Donax, 62, 16 

 Dosinia, 51 

 Drlllia, 134 



Echlnella, 100 

 Echinochama, 45 

 Emarglmila, 76 

 Engina, 123 

 Ensls, 64 

 Epitonium, 83 

 Erato, 111 

 Ervllia, 66 

 Euciroa, 42 

 Eunaticina, 93 

 Eupleura, 115 

 Eurytellina, 57 

 Euspira, 92 



Fabricius, 53 

 Fasciolaria, 186, 11 

 Ficus, 112 

 Fissurella, 75 



Gafrarliim, 52 

 Galeodes, 125 

 Garl, 63 



Gastrochaena, 68 

 Geitodorls, 145 

 Gemma, 55 

 Glycymeris, 28 

 Gnathodon, 65 

 Gutturium, 112 

 Gyrlneum, 113 



307 



Haliotis, 78 

 Haliris, 42 

 Halonympha , 42 

 Hamlnea, 141 

 Haminoea, 141 

 Hastula, 133 

 Haustator, 101 

 Heterodonax, 63 

 Reterodoris, 144 

 Hipponix, 94 

 Hyalaea, 143 

 Hyalocylis, 144 

 Hydatina, 141 

 Hydrobia, 97 

 Hysteroconcha, 53 



Jagonia, 47 

 Janthina, 85 



Kellia, 48 

 Koonsia, 144 



Labiosa, 65 

 Lacuna, 101 

 Laevicardium, 50 

 Lamellarla, 193 

 Lasea, 48 

 Laskeya, 105 

 Latirus, 126 

 Leda, 26 

 Lelomya, 42 

 Lepldochiton, 22 

 Leucozonla, 126 

 Lima, 36 

 Limacina, 143 

 Llmatula, 36 

 Linatella, 113 

 Liostraca, 86 

 Liotia, 80 

 Lirophora, 54 

 Llthophaga, 38 

 Lithopoma, 82 

 Lltiopa, 97 

 Llttorina, 99 

 Littorivaga, 99 

 Livona, 78 

 Lora, 136 

 Loripinus, 47 

 Lucapina, 75 

 Lucapinella, 76 

 Lucina, 46 

 Luclnisca, 46 

 Lunatla, 92 

 Lyonsla, 41 

 Lyropecten, 34 



Uacoma, 59 



