PROSERPINA. PROSERPINELLA. CYANE. 29 
Species excludendae. 
Pr. discoidea Ad. —  Heliv Proserpinula  Pfr. 
— opalina Pfr. — Helix margarita Pfr. 
Ill, Proserpinella Bland. 
»Lesta depressa, laevigata, utrinque callo nitido obducta; 
paries aperturalis lamina 1 munitus; apertura lunaris; peri- 
stoma simplex, rectum.* 
Proserpinella. Bland in. Ann. Lye. New-York Nov. 1865. VIII. p. 157. 
Species unica: 
1. P. Berendti Bland. 4 
» I. depressa, tenuis, nitida, albida; spira brevissime 
elevata; sutura vix impressa, submarginata; anfr. 4, sensim 
accrescentes, ultimus latior, convexiusculus, basi convexior, 
juxta eolumellam excavatus; apertura parum obliqua, lunaris, 
unidentata, dente lamelliformi vix prominente intrante in pariete 
aperturali; perist. simplex, rectum. — Diam. maj. 3, min. 2!/;, 
alt. 1!/, mill.* (B.) 
Proserpinella Berendti Bland in Ann. Lyc. N. York VIII. Nov. 1865. p.- 
I7 Uf 
— — Strebel in Abh. nat. Ver. Hamb. VI. 1. 1873. p. 
TI tA D. 
Habitat Mirador reipublicae mexicanae, in altit. 3000— 
4000 pedum (Dr. Berendt). 
IV. Cyane H. Adams. 
» Testa imperforata, helicinaeformis, depresso- globosa, 
nitida; columella truncata; apertura sublunaris; peristoma 
simplex, rectum.* 
Cyane (genus Proserpinidarum) 77. Adams in Proc. Zool. Soc. 1870. p. 376. 
»Columella quae in Cere et Proserpina plica spirali mu- 
nita, in Cyane truncata est; laminae parietales et palatales 
