171 



44/. Amphibulima, sp. Beck. Amphibulima, Lam. 1812. Amphi- 

 bulinus, Mont/. 1810. Bulimus, ep. Brug. A. cucullata. 



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



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

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

 1821. Limnea, sp. Flem. Bulimus, sp. Brug. Amphibina, 

 Hartm. Helix putris. 



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

 cosa. 



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



Helicina. 



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

 1840. Helicogena, sp. Ferus.; Risso, 1826. Ccenatoria, 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 hsemastoma. 



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



1819. Cepsea, Held. 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. Ferus. Cingulifera, Held. 1837. Helix arbustorum. 



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

 Helix lucana. 



Dorcasia, Gray. D. Alexanderi. 



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

 picta. 



Hemitrocbus, Swains. 1840. ? Polymita, ep. Beck. Hem. hae- 

 mastoma. 



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

 licogena, sp. Ferus. Helix pouchet. 



Hemicycla, Swai?is. 1840. Otala, sp. Beck. H. plicatula. 



Helicostyla, Beck, 1837. Helicostyla, sp. Ferus. 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. Eurycratera, 

 sp. Beck. Car. cingulata. 



Helicogena, sp. Ferus. Eurycratera, sp. Beck. H. acutangula. 



455. Stylodon, Christ, fy Jans. ; Beck, 1837. Helicostyla, sp. Fernjs. 

 Helix unidentata. 



