173 



458. Lampadion, Bolten, 1798. Lucerna, sp. Humph. 1797. La- 

 byrinthus, Beck, 1837. Lyrostoma, Swains. 1842. Helico- 

 donta, sp. Ferus. Helix otis. 



Cap rums, Mont/. 1810. Pleurodonta, Fischer ; Beck, 1837. Ca- 



rocolla, sp. Lam. Lucerna, sp. Swains. Helix lynuchus. 

 Cepolis, Mont/. 1810. Pleurodonta, sp. Beck. Helix Cepa. 



459. Tomogerus, Mon tf. 1810. Anostoma, Fischer, Lamk. Angy- 

 stoma, Schum. 1817. Anastomus, Swains. 1840. Hel. ringens. 



Tomigerus, Spix. Helix clausa. 



Ringicella, Gray. Anastomus, sp. Lam. Anas globulosa. 



460. Polygyra, Say, 1817; Swains. 1840. Helicodonta, sp. Ferus. 

 Deedalochila, Beck, 1837. P. auriculata. 



Petasia, Beck, 1837. Polita, sp. Held. 1837. Trochus, sp. Da 



Costa. Helix trochiformis. 

 Conulus, Fits. Petasia, sp. Beck. Trochiscus, Held. 1837; not 



Sow. Helix fulva. 

 Tridonta. Tridopsis, sp. Beck. Helix plicata. 

 Tridopsis, Rafin. Helix lunula. 

 Isognomostoma, Fitz. Tridopsis, sp. Rafin., Beck. Isognostoma, 



Hartm. 1840. Isognomonostoma, Herrm. 1846. Helix per- 



sonata. 

 Stenotrema, Rafin. Tridopsis, sp. Beck. Helix convexa. 

 Mesodon, Rafin. Tridopsis, sp. Beck. Helix elevata. 

 Polygyra, sp. Say, Beck. Helix septemvalva. 

 Polygyratia. Polygyra, sp. 1 Beck. Hel. Polygyrata. 



461. Theba, Leach MSS. 1817 ; Risso, 1827 ; Beck, 1837. 

 Trocbidea, Brown, 1827. Trochus, sp. Da Costa. Turricula, 



Beck, 1837. Carocolla, sp. Lamk. HeUcomanes /3, sp. Ferus. 



Helix elegans. 

 Theba, Risso, 1827. Helicomanes a, sp. Fe'rus. Xerophila, sp. 



Held. 1837. Helix pisana. 

 Cochbcella, sp. Ferus. H. conoidea. 

 Helicopsis, Fitz. 1835 ; not Beck. H. striata. 

 Oxycbeilus, Fitz. H. ericetorum. 



Leucocbroa, Beck, 1837. Carocolla, sp. Lamk. H. albella. 

 Delphinula, Bowd. H. Delphinula. 

 Helicogena, sp. Ferus. H. candidissima. 



Ochthephila, Beck, 1837. Geometra, Swains. 1840. H. bicarinata. 

 Bradybsena, Beck, 1837. H. similaris. 

 Hygromia, Risso, 1826. Fruticola, Held. 1837. Bradybsena, sp. 



Beck. H. cinctella. 

 Monacha, Fitz. Tbeba, sp. Risso. Bradybeena, sp. Beck. Hel. 



carthusiana. 

 Trochulus, Christ. Hel. hispida. 

 Heterostoma, Hartm. 1844. Ochthephila, sp. Beck. Hel. pau- 



percula. 



462. Helicella. Helicelle, Lam. 1812. 



Helicella, Beck, 1837. Helicelle, Lam. 1812. Helicella, sp. Risso, 



