145 



H. pemphigodes Pfr. 50 Cuba. 



Mac Murrayi Achims III 12 Küst. 126, 7. 8 Jamaika. 



Pfeiffer, Zeüschr. 1855 pag. 133 zum Theil. Cyslic-opsis, was wie 

 eine Blase aussieht. 



51. PLAGIOPTYCHA Pfr. 



Testa angiiste vel obtecle umbilicata , suborbiculato-de- 

 pressa, tenuis, parvula, spira vix elevata, obtusa; anfraelus 4-|-, 

 ultimus antice subito tleflexiis , ad aperluram constrictus; aper- 

 tura perobliqua, subhorizonlalis, elongato-Iunata; peristoma 

 tenue , marginibus conniventibus, coluraellari partim dilalafo- 

 reflexo, basali stricto, intus plica vel tubero dentiformi munita. 



Typus: Helix loxodon Pfr. 

 H.hailensisWeinl.etMart. Ztschr.1859 S.17 Haiti. 



Pfeiffer Zeüschr. 1855. S. 135. Plagio-ptycha, mit schiefer Falle. 



52. POLYMITA Beck. 



Testa aperte vel obtecte perforala, globosa, nitida, spira 

 brevis ; anfractus 4 — 5, ultimus magnus, ad aperturam deflexus ; 

 columella basi dilatata ; apertura contracla, subverticalis, rotun- 

 dato-lunaris; peristoma simplex, obtusum, intus labiatuin, mar- 

 ginibus distantibus. 



Typus: Helix muscarum Lea. 



Albers, Heliceen. II. Aufl. 1 



