^^ 15 ^^ 



Rugosa, Nutall. 

 Solidula, Hinds. 

 Squama, Brodp. 

 Strigata, do. 

 Unguiculus, Sow. 

 TJnguifovmis, Liurk. 

 Walshi, Herrn. 



-^Ancylus 



„^-Fluviatilis, Müller. 



,-Lacnstri.s, do. 

 '^^Moricaiidi, d'Orbign. 

 ^^ivularis, Say. 

 Spina-r9sae, Drap. 



vL-Bullaea 

 ' ^-Aperta, Lmrk. 



Punctata, Adainsou. 



L_ B u 1 1 a 



^ Adamsoni, Phil. 

 Akera, Gniel. 

 Albo-cincta, Hoeveu. 

 ^ArapuUa, Lin. 

 Idem, do. 

 Idem, do. 

 Idem, do. 

 Aniygdala, Lister. 

 Aplustre, Lin. 

 '■' Australis, Quoy. 

 ^Cecillii, Phil. 

 -Ceylanica, Brug. 

 Co'arctata, A. Adams. 

 ^^Cylindrica, Chemn. 

 ,Hydatis, Lin. 

 Glauca, .Quoy. 

 Guildingi, Swains. 

 Jeverensi.s, Schröter. 

 .^^Lignaria, Lin. 



Lineata, Wood. 

 ^-Naucura, Lin. 

 Nitidula, Lister. 

 Oblonga, A. Adams. 

 Pemphis, Phil. 

 Perforata, do. 

 ^^hysis, Lin. 

 Sarsii, Phil. 

 Solida, Brugre. 

 ^^triata, do. 

 ,-'Idem, do. 

 Idem, do. 

 ' ' Tenera, A. Adams. 

 Vexillum, Chemn. 

 Idem, do. 

 Viridis, Rang. 



L a p 1 y s i a 



Depilans, Lin. 



olabella 

 Kumphii, Cuvier. 



Testacella 



^,,^Haliotidea, Faure-B 

 Maugei, Ferrus. 



\-^itrina 



Beckiana, Pfeiff. 



Cassida, Hutton. 



Crenularis, Beck. 



Cumingii, do. 

 ,,---Diaphana, Drap. 

 ,^-iilongata, do. 



Fumosa, Pfeiff. 



Gruneri, do. 



Gutta, do. 



Irradians, do. 



Margarita, Beck. 



Lamarqui, Ferre. 



Monticula, Benson. 



Notalensis, Krauss. 

 _^Pellucida, Drap. 



Poeppigi, Menke. 



Politissima, Beck. 



Resiliens, do. 



Rüppelliana, Pfeif. 



Sigaretina, Reclnz. 



Sowerbyana, Pfeif. 



Strange! , do. 



Subglobosa, Miclid. 



Sulculosa, Ferre. 



audebardia 



Brevipes, Hartm. 

 Rufa, do. 



-jilHelix 



^^Abjecta, Lowe. 

 ^Acies, Partsch. 

 •>Aculeata, Müller. 



Acuminata, Pfeif. 

 ^^ Acuta, Lmrk. 



Adamsi, Pfeif. 

 j Adusta, Sow. 

 l^_^dvena, Web. & Ber. 

 I Africana, Michaud. 

 ' Agestis, Parr. 



labastrites, Michaud. 



vAs 





r/^ 



-Idem, da. 



r. 



^D 



Alauda, Ferre. 

 -Albanica, Ziegl. 

 Albayensis, Sow. 

 Idem, do. 

 Idem, do. 

 -Albella, Lin. 



'Albolahris, Say. 

 Algira, Lin. 

 Alliaria, Mill. 

 -Aloneii.-is, Ferr. 

 Alpina, Favire-B. 

 Idem, do. 

 Alternata, Say. 

 Anioena, Pfeif. 

 Anatonensis, do. 

 Aii<^igyra, Ziegl. 

 Angulata, Ferr. 

 Angustata, do. 



Annulata, Sow. 

 Idem, do. 

 Idem, do. 

 Idem, do. 

 ^Anomala, Pfeif. 

 "^Aperta, Born. 

 ^;|^pia, Humb. & Jacq. 

 Apicina, Lmrk. 

 Approximata, Gnillou. 

 Arata, Sow. c 

 Idem, do. 

 Arborea, Say. 

 .Arbustorum, Lin. . 



'widern, do. >r, aXfte^^*^!^ 



Idem, do. 

 V-A-rcta, Lowe. 

 Areolata, Sow. 

 Argillacea, Ferr. 



Armillata, Lowe 



^.^rridens, do. 

 Aspera, Ferr. 



spersa, Müller. 

 'Idem, do. 

 Idem, do. 

 Asperula, Lowe. 

 -Associata, Ziegler. 

 •Idem, do. 

 Atrata, Pfeife.. 

 Audebardi, do. 

 Ardouinii, d'<iibig. 

 Aulica, Pfeifer. 

 Aurata, Sow, 

 Auris, Pfeifer. 

 Auricoma, Ferr. 

 Auriculina, Petit. 

 Auridens, Rang. 

 .Austriaca, M ihlf. 

 Avellana, Ferr. 

 Badia, do. 

 Bainbridgi, Pfeifer. 

 .^Balteata, Sow. 

 ,^Idem, do. 

 Idem, do. 

 Idem, do. 

 Idem, do. 

 . -Banatica, Partsch. 

 Barbadensis, Lmrk, 

 Barbata, Ferr." >" 

 Barclayana, Pfeifer. 

 Beckiana, do. 

 Idem, do. 

 Bermudensis, do. 

 Biangulata, do. 

 Bideniatft-, Chemn. 

 Idem, do. 

 Bifasciata, Lea. 

 Idem, do. 

 Idem, do. 

 Idem, do. 

 ^Bifrons, Lowe. 

 Bifurcata, Deshs. 

 Biconia, Ferr. 

 Bipartita, do. 



Kl 



^ 



