HELICID^. 3t 



obtuse, margin callous, labiate within. H. varHans, Menke 

 (xcvi, 19). 21 sp. West Indies, Bahamas. 



Leptolovia, Alhers^ 18(i0. (Dialeuca, Pfr.,1855.^ Imperforated, 

 depressl}^ turbinate, base planulate ; whorls five, the last obtusely 

 angulate ; aperture obliquely lunar ; peristome acute, shortly 

 expanded ; columellar entering, dilated above, oblique. H.fusco- 

 cincta, Ads. (xcv, 64). 11 sp. Jamaica, Cuba, Central America. 



LEUCOCHROA, Beck,183'7. (Solarium, Schum., 181*7. Calcarina, 

 Moquin-Tandon, 1848. Iberus, H. and A. Adams [part], 1855.) 

 Shell openly or narrowly umbilicated, globose or depressly 

 globose, solid, cretaceous; whorls about five, the upper ones 

 carinate, the last slightly descending in front ; aperture lunately 

 rounded ; peristome simple, labiate or thickened within, margins 

 joined by a thin callus ; columella callously dilated, narrowing 

 the umbilicus in the adult. L. candidissima, Drap. (xciii, 3). 

 17 sp. Mediterranean region. 



HELiCELLA, Fer., 1819. Shell generally umbilicated ; peristome 

 simple or labiate within, rarely dentate. Jaw odontognathous 

 or aulacognathous. Distribution universal. H. ericetorum^ 

 Miill. (xcv, 48 . 



Hygromia, Risso, 1826. (Helicella, Fitz., 1833. Bradybsena, 

 Beck, 1837.) Shell umbilicated or perforated, globosely de- 

 pi'cssed, corneous, sometimes hirsute; peristome sharp, labiate 

 within, slightl}^ reflected at the base. 200 sp. Universal ; 

 largely European. H. hispida^ Miill? (xciv, 44). 



Hispidella^ howe^ 18^2. H.mibigena^hov/'e. Canary Islands. 



CiUella, Mousson, 1872. H. leprosa, Shutt. 2 sp. Canary 

 Islands. 



Xerophila, Held, 1837. (Oxychilus, Fitz., 1833. Theba, 

 Kisso, 1826.) Shell perforated or umbilicated, turbinate or 

 globosely depressed, rarel}^ conic-orbicular, calcareous with cor- 

 neous apex, shining; whorls five or six, gradually enlarging; 

 aperture subcircular ; peristome simple, labiate within. 200 sp. 

 H. ericetorum, Miill. 



JEiiparypha, Hartmann, 1840. Shell perforate, depressly 

 globose, horny calcareous, filleted ; whorls five, the upper ones 

 flattened, carinate, the last inflated ; aperture lunar, labiate 

 within, columellar margin reflected. //. Fisana, Miill. (xciv, 46). 

 Mostly European. 



Heliomanes^ Fer., 1819. Shell globose. Mediterranean region. 

 H. variabilis, Drap. 



Paeudoxerophila^ Westerlund. Shell with fine spiral strise 

 and rows of punctiform impressions. H. ivMahilis, Ziegler, etc. 



Monilearia, Mousson, 1872. 11 sp. Canary Islands. H. 

 phalerata, Webb and Bertholet. 



Lemniscia, Lowe, 1854. H. Michaudi, Desh. Porto Sancto. 



Jacosta, Gray, 1821. (Crenea [pt.], Albers, 1850.) Shell 



