171 



447. Amphibulima, sp. Beck. Atnphibulima, Lam. 1812. Amphi- 

 bulinus, Mo/iį/". 1810. Bulimus, sp. ^ra^. A. cucullata. 



448. Helisiga, Lesson, 1829. Amphibulina, sp. Blainv. H. . 



449. Succinea, Drap. 1804 ; Risso, 1826. Cochlohydra, sp. Ferus. 

 Tapada, Studer. Lucina, Oken, 1819. Amphibulina, Hartm. 

 1821. Limiiea, sp. Flem. Bulimus, sp. Brug. Ampbibina, 

 Hartm. Helix putris. 



450. Simulopsis, Beck, 1837. Cochlohydra, sp. Ferus. Helix sul- 

 cosa. 



451. Pelta, Beck, 1837, not Quatrefages. P. Cumingii. 



Helicina. 



452. Helis, Linn., Brug., Lam. 1801. Pomatia, Beck, 1837 ; Gray, 

 1840. Helicogena, sp. Ferus.; Risso, 1826. Ccenatoiia, sp. 

 Held. 1837. Helix Pomatia. 



Cantareus, Risso, 1826. Lucena, Hartm. 1821. Tapada, Gray, 

 1840. Pomatia, Gesner. Ccenatoria, sp. Held. 1837. Hel. 

 naticoides. 



453. Acavus, Montf. 1810 ; Beck, 1837. Otala, Schum. 1817. He- 

 licogena, sp. Ferus. Helix heemastoma. 



Helicogena, sp. Risso, 1826 ; Beck. Tachea, sp. Leach MSS. 



1819. CepEea, Zfe/fZ. 1837. Helix nemoralis. 

 Otala, sp. Schum. 1817. Helix lactea. 

 Helix, Risso, 1826. Ccenatoria, sp. Held. 1837. Pomatia, sp. 



Beck. Tachea, sp. Gray, — Monstrosity. Cornucopia, Born, 



Shaw. Serpula, sp. Gmelin. Helix adspersa. 



454. Arianta, Leach MSS. 1819 ; Beck, 1837 ; Gray, 1840. Helico- 

 gena, sp. i^(?>?<«. CinguUfera, jyeM. 1837. Helix arbustorum. 



Galaxias, Beck, 1837, not Cuv. 1817. Helicogena, sp. Ferus. 

 Helix lucana. 



Dorcasia, Gray. D. Alexanderi. 



Polymita, Beck, 1837. Helicogenn & Helicella, sp. Ferus. Helix 

 pieta. 



Hemitrochus, Sivains. 1840. ? Polymita, sp. Beck. Hem. hse- 

 mastoma. 



Cochlea, Adajis. 1757. Otala, Beck, 1837 ; not Schum. 1817. He- 

 licogena, sp. Ferus. Helix poiichet. 



Hemicycla, Sivains. 1840. Otala, sp. Beck. H. plicatula. 



Helicostyla, ^ec/c, 1837. Hehcostyla, sp. i^erMS. Helix Galactites. 



Eurycratera, Beck, 1837. Leiostoma, sp. Swains. Helicogena, 

 sp. Ferus. H. jamaicensis. 



Helicophanta, sp. Gray. Eurycratera, sp. Beck. H. Falconeri. 



Carocolla, sp. Lam., Schum. Discodoma, Swains. Eurjcratera, 

 sp. Beck. Car. cingulata. 



Helicogena, sp. Fėrus. Eurj'cratera, sp. Beck. H. acutangula. 



455. Stylodon, Christ. ^- Jans. ; Beck, 1837. Helicostyla, sp. Ferus. 

 nelix unidentata. 



