armanditiH, (Jyjiraea .. 

 Arquesi, C'yol-isionia . 

 Artfuiisiae, Oyliiuirt'l' 



articulatus, Flis\is 



ai-uaiium, BLL^youn 



. Murex 



Ayaphis 



ascendent, Steiiogyra. 

 Aspe.ctO de las familia 



Tispera, Ostiai-:i 



asperriimis, Mil!''': 



asperula, [jiuiai m 



assimile, Chondroponi; 



Cyclostoiua, . 



Ris.soa 166 ' Beathiaiin, Piin'i-ia 87 



Venus -249 Beam, Lyui.sla 240 



aurautiacus, Conns 193 Beanuoia, i'holas 236 



aurea, Succinea 127 Bebini, Choanoponia 9 



auricoma, Helix 70,71 Gyclusluuia 9 



aurlcomum, Glioanopunia .; 13 Belkiiapi, JMelongena 216 



Cyclostoma... 13 bidlnli, Helicina 52 



auricula, Trir'onidea 214 Helix 76 



Auriculadae 58 bellns. IMurex 210 



aunculata, Area 262 ' Eerirli. Onvelioteutliis 278 



Cyc!oston-.a.,.. ::: \l^i\n.^u<\\::u.. I'.dudina 139 



auriculatum,' M(-^ai<aaastuni;i . . . :;: ! ^'V- i l.'aii^, M;ir-meiia 190 



auriculas, BuL'ciiiurii i; ! I lii:uii.''ulat;i , .Sepinteiitl'.is 148 



australis, Glaucus Jf::. l.iemeta, Helix 78 



autumnalis, <Jviir;iea, 184 , Ijieolor, Cyclostoma 0( 



avellana, Helix 73 I Janthina 182 



Natiea 170 \ biconica, Pleurotoma 217 



avena, Marginalia 190 | biceps, Area 262 



avenacea, Marginella 190 ' bidens, Solecurtus 238 



Avicula 268; Solen 238 



Aviculidae....; 268 : bidentata, Bulla 156 



Babei, HeHoina 45 ' Siliquaria 238 



3 



