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Pages. 
Aviculopecten Hardyi, L.-G. de Koninck 157 
Aviculopecten cingendus, F. M c Coy 158 
Aviculopecten granosus, .1. Sowerby il>. 
Aviculopecten Forbesi, F. M c Coy 160 
Aviculopecten tessellatus, J. Phillips ib. 
Aviculopecten profondus, L.-G. de Koninck ICI 
Aviculopecten Fittoni , J. Morris 10:2 
Aviculopecten illawarensis, F. M c Coy 163 
Aphanaia Mitchellii, F. M c Coy 163 
Aphanaia gigantea, L.-G. de Koninck 166 
Pterinea macroptera, J. Morris. 167 
Pterinea lata, F. M c Coy 168 
Avicula sublunulala, L.-G. de Koninck 160 
Avicula Ilardgi, L.-G. de Koninck 170 
Avicula decipiens, L.-G. de Koninck 171 
Avicula intumescens , L.-G. de Koninck ib. 
Couularia lenuislriala, F. M c Coy .... 172 
Conularia quadrisulcata, Miller 173 
Conularia lœvigata, J. Morris . • . . . 175 
Conularia inornata, J. D. Dana ... 176 
Dentalium cornu, L.-G. de Koninck 177 
Platyceras anguslum, .1. Phillips 178 
Platyceras trilobus, J. Phillips 179 
Platyceras allum, .1. D. Dana 180 
Platyceras tenclla, J. D. Dana 181 
Porcellia Woodwardii, W. Martin ib. 
Pleurolomaria Morrisiana, F. M c Coy 183 
Pleurotomaria subcancellata, J. Morris 18i 
Pleurolomaria striata, .1. Sowerby 185 
Pleurotomaria gemmulifera, J. Phillips 186 
Pleurolomaria humilis, L.-G. de Koninck 187 
Pleurotomaria naticoïdes, L.-G. de Koninck 188 
Pleurolomaria helicinæformis, L.-G. de Koninck 189 
Mardi isonia trifilala, J. I). Dana ib. 
Murchisonia Verneuiliana, L.-G. de Koninck 191 
Euomphalus oculus, J. D. Sowerby 19.’ 
Euomphalus minimus, F. M° Coy 193 
Euomphalus calillus, W. Martin 19-i 
Macrochcilus filosus, .1. D. Sowerby 195 
Macrocheilus aculus, .1. Sowerby 196 
Loxoncma difficilis, L.-G. de Koninck 19 < 
Loxoncma conslricta, W. Martin 198 
Loxoncma aculissima, L.-G. de Koninck 199 
Loxoncma rugiferu, .1. Phillips -00 
