77 



peristoma simplex, acutum, raargine columellari incrassato, 

 dilatato. 



Typus : Sagda Cookiana Gmel. 



Sagda (Salbe?) Beck Ind. 1837. Helicostylae (dann Helicodonlae) 

 laniellatae Fer. Prodr. Epislylia Swains 18 40. 



2. HYALOSAGDA Alb. 



Testa vix perforata, depressa, virenti-hyalina, tenuis; an- 

 fractus 5 — 7, ultimus basi excavatus; apertura parum obliqua, 

 lunaris; peristoma acutum, margine columellari vix dilatato, 

 reflexiusculo. 



Typus: Sagda similis Adams. 



Sagda similis Adams 111 349 Küst. 127,31.32 Jamaika. 



ambigua Adams III p. 631 ,, 



arboreoides Adams 40 — 28, 14-17 ,, 



Hollandi Adams III 350 —127,29.30 ,, 



brevis Adams III 379 



3. PROSERPINULA Alb. 



Testa obtecte perforata, discoidea , hyalina, transparens, 

 anfractus 4£ planulati, ultimus basi parum impressus, circa per- 

 forationem callo uitidissimo obduclus, lamella spiralis marginem 

 attingente; peristoma acutum, simplex. 



Typus: S. discoidea Adams. 



