174 



1826. Oxycheilus, Fits. Helicella (hyalina), Ferus. Zonites, 



sp. Leach, Gray. Hyalina, Ferus. ; Gray, 1840. Polita, Held. 



1837. Hel. cellaria. 



Vitrea, Fitz. Helicella, sp. Beck. H. ? 



Mesomphix, Rafin., Beck. Zonites, sp. Gray. M. laevigata. 



Mesomphix, sp. Beck. Helix Olivetorum. 



Zonites, Montf. 1810; Beck, 1837. Helicella (verticilli), Ferus. 



Helicella, sp. Risso. Tragomma, Held. 1837. Helix Algira. 

 jEgopis, Fitz. Zonites, sp. Beck. Hel. verticillus. 

 Eyromphala, Beck, 1837. Patula, Held. 1837. Hel. alternata. 

 Discus, Fitz. Eyromphala, sp. Beck. Patula, Held. 1837. H. 



ruderata. 

 Gonyodiscus, Fitz. Eyromphala, sp. Beck. H. solaria. 

 Pyramidula, Fitz. Eyromphala, sp. Beck. H. rupestris. 



463. Sagda, Beck, 1837- Epistyla, Swains. 1840. Epistylium, Gray, 

 1840. Helicostyla, sp. Ferus. Trochus alveolatus. 



Helicodonta, sp. Ferus. Sagda, sp. ? Beck. Helix gularis. 

 ? Pitys, Beck. Pitys aparana. 



464. Streptaxis, Gray, Swains. 1840. Artemon, Beck, 1837. Helix 

 contusa. 



BlJLIMINA. 



465. Orthostylus, Beck, 1837. Cochlostyla, sp. Ferus. Helix viridis. 

 Cochlostyla a, Ferns. Orthostylus, sp. Beck. Bui. metaformis. 

 ? Pythohelis, Swains. 1840. P. castanea. 



Balea, Blainv. 1825 ; not Leach. Bulimus citrinus. 

 Helicobulimus, Brod. 1840. Orthostylus, sp. Beck, 1837. H. 

 sarcinosa. 



466. Bulimus, Scopol. 1777; Brug. 1792; Lamk. 1801; Montf. 

 1810; Beck, 1837. Melania, Perry, 1811; not Lam. Bui. 

 hsemastomus. 



Strophocheilus, sp. Spix. Bulimus, sp. Lamk., Ferus. Bui. ovatus. 

 Strophocheilus, Spix. Partula, sp. Ferns. Voluta, sp. Dillw. 



Bulimus, sp. Brug. H. pudica. 

 Gonyostomus, Beck, 1837. Gonyostoma, Swains. 1840. Pupa, 



sp. Gray. Cochlogena, sp. Ferus. Hel. gonyostoma. 

 Odontostomus, Beck, 1837. Cochlodina, sp. Ferus. Pupa, sp. 



Menke. Hel. gargantula. 

 Auricula, sp. Lea. Aur. fuscagula. 

 Clausilia, sp. Spix. Pupa, sp. Wagner. Claus. exesa. 

 Scarabus, sp. Menke. Scar, labrosa. 

 Stenostoma, Spix. Pelekocheilus, sp. Beck. St. Paru. 

 Caprella, Guild. 1825 ; not Lamk. Plekocheilus, Guild. Peleko- 

 cheilus, Beck. Carychium, Leach, 1817 ; not Mutter. Auricula, 



sp. Lam. Voluta auris Selini. 

 Auricula, Swains. 1840. Auricula, sp. Lamk. Pelekocheilus, sp. 



Beck. Pupa, sp. Gray. Bulimus auris Selini. 

 Otostomus, Beck, 1837. Auricula, sp. Wagner. Auris, sp. Spix. 



Stomatoides, Ferus. Auris signata. 



