INDEX 
Dreissensia (Zebra Mussel), 30, 
58, 92, 134, 140 a 
Dreissensia polymorpha, xv., xviii., 
xxxii. 
Drupa avachnoides, v. 
Dwarfing, 113 
Dyes extracted from Mollusca, 
143 
Eccyliomphalus Bucklandi, v. 
Echinospiva, 93 
Eggs of Mollusca, 89 
Elephant’s-Tusk Shells. 
Dentaliide. 
Elysia, 11, 126 
Elysia viridis, xii. 
Emarginula, 94 
Emarginula fissuva, vii. 
Embletonia pulchva, xii. 
Embryonic Shell, 19, 94 
Endodonta, 91 
Endogastric Shell, 17 
Engina turbinella, xi. 
Ensis (Razor Fish), 49, 55, 118, 
119, 133, 135 
Ensis siliqua, xix., xxx. 
Enteroxenos, 82 
Entocolax, 82 
Entoconcha, 81, 82 
Entoconchide, 132 
Entosiphon, 82 
Entovalva, 81, 109 
Eolis, 74 
Eopteria, 45 
Ephippodonta, 27, 80, 109 
Epidermis, 3 
Epiphragm, 73 
Epistethe, 82 
Epitoniidz, 46 
Epitonium, 126 
Epitonium pretiosa, v. 
Epitonium Turtonis : radula, iii. 
Equivalve, 31 
Eulamellibranchia, 34 
Eulima, 81 
Eulima polita, xxvi. 
Eurybia Gaudichaucli, xxvi. 
Euthyneura, 23, 24, 87 
Evolution, 100 
See 
149 
Exogastric Shell, 17 
Eyes, 8, 131-133, xxix. 
Facelina covonata, xii, 
Fasciolavia tulipa, xi. 
Favorinus bvanchialis, Embryo, 
xxix. 
Feeding tracks, 67 
Ficus, 134 
Ficus ventricosus, xxxii. 
Filibranchia, 34 
Firola, 69 
Fissuvella, 95, 103 
Fissuvella, Stages in growth, xxix. 
Fissuvella Listevi, ix. 
Fissurellidz, 24, 53, 94 
Flat-coiled Water Snail. 
Planorbis. 
Food for Animals, Mollusca as, 
See 
76 
Food for Man, Mollusca as, 138 
Food of Mollusca, 67 
Foot, 2, 16, 30, 35, 114 
Fordilla, 45 
Fresh-water, Marine Molluscs 
in, 53 
Fresh-water Limpet. See A ncylus, 
Fresh-water Molluscs, 57-58 
Fresh-water Mussels. See 
Unionide. 
Fresh-water Pearl Mussel. See 
Margavitana, 
Funnel of Cephalopods, 56 
Fusus, 97 
Fusus colus, v. 
Gadinia, 53, 103 
Gadinia Peruviana, xxvi. 
Galeomma Turtoni, xviii. 
Galeommidz, 27 
Ganglia, 6, 8 
Gastrochena, 32, 33 
Gastrochena mumia, xix. 
Gastropoda, 16, 51 
Geological History, 44 
Geomatacus (Kerry Slug), 120 
Geomelania, 60 
Geoteuthis, 49, 111 
Giant Clam. See Tridacna, 
