146 
Apovemodon, 53, 103 
Aporvhais, 97 
Aporrhais pes-pelecani, ii. 
Arca (Ark Shells), 32, 34, 48, 106 
Avca gyanosa, 142 
Arca Noa, xvii. 
Avca vivipara, 92 
Arca zebra, xvii, 
Ascestes bicavinatus, xxi. 
Archanodon fukesii, 46 
Archidoris, go 
Archidovis flammea, 121 
Architectonica perspectivum, vii. 
Arcidz, 109, 133 
Ark Shells, See Avca, 
Argonauta (Paper Nautilus), 40, 
61, 70, 88, 91 
Argonauta argo, xxi. 
Argonauta hians, xxv. 
Arion, 106 
Ariophanta Dohertyi, 120 
Ariophanta lavipes, xiii. 
Arms of Cephalopods, 35 
Ascoglossa, 12 
Aspidobranch ; Foliate Gill, iii. 
Aspidobranchia, 24 
Assemania, 57 
Astarte, 63, 88 
Astarie sulcata, xviii. 
Athovacophorus, 106 
Atlanta Peroni, x., xxvi. 
Atvactites, 48 
Aturia ziczac, xxii. 
Atys naucum, v. 
Auger Shells. See Terebra, 
Anlacoceras, 48, 111 
Auricula, 21 
Auricula Jude, xiii. 
Auriculidze, 53, 60, 96 
Avicula=Pteria 
Baculites anceps, xxii. 
Balea, 89 
Balea perversa, xiii, 
Bankivia vavians, ix, 
Bargains struck with shells, 142 
Barnea, 135 
Barnea Bakevi, xx. 
Barnea candida, xxxii, 
THE LIFE OF THE MOLLUSCA 
Basommatophora, 25 
Bathydoris abyssovum, 56 
Bear’s Claw, See Hippopus, 
Bela, 63 
Belemnitella mucronata, xxv. 
Belemnites, 36, 42, 49 
Belemnites, 40 
Belemnites restored, xxiii. 
Belemnoteuthis, 42, xxiv. 
Belerophon, 20 
Belevophon bicarinatus, vii. 
Beloptera belemmitoides, xxv. 
Belosepia, xxiv. 
Belosepia sepioidea, xxv. 
Beloteuthis, 49, 111 
Bithynia, 53 
Black Slug. See Avion. 
Blaospiva echinus, 98, xxxii. 
Blister Pearls, 5 
Brachypodella Brooksiana, 98, 
XXX11. 
Brackish Water Molluscs, 57 
Brechites (Water-pot Shell), 32, 
33 
Brechites vaginiferus, xx. 
Brownia, 93 
Buccinum (Whelk), 12, 24, 55, 
63, 68, 89 
Buccinum undatum 
Whelk), 55, ii. 
Buccinum undatum, Egg-capsules, 
XXX. 
Buccinum undatum : radula, iii. 
Bulla, 25 
Bulla ampulla, xii. 
Bullia, 132 
Bullidz, 132 
Bullinella, 111 
Bullinella cylindvacea, xii, 
Burrowing, Bivalves' method of 
118 
Bursa lampas, vi. 
Byssus, 30 
Bythinia=Bithynia. 
(Common 
Cacilioides, 60 
Cacum, 21 
Cacum imperforatum, vii. 
Calcarella, 93 
