HELICIDAs. 3) 
obtuse, margin callous, labiate within. H. varians, Menke 
(xevi, 79). 21 sp. West Indies, Bahamas. 
Leptoloma, Albers,1860. (Dialeuca, Pfr.,1855.) Imperforated, 
depressly turbinate, base planulate ; whoris five, the last obtusely 
angulate; aperture obliquely lunar; peristome acute, shortly 
expanded ; columeliar entering, dilated above, oblique. H. fusco- 
cincta, Ads. (xev, 64). ll sp. Jamaica, Cuba, Central America. 
LEUcOcHROA, Beck, 1837. (Solarium, Schum.,1817. Calcarina, 
Mogquin-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. ZL. 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. ericelorum, 
Mull. (xev, 48 . 
Hygromia, Risso, 1826. (Helicella, Fitz., 1833. Bradybena, 
Beck, 1837.) Shell umbilicated or perforated, globosely de- 
pressed, corneous, sometimes hirsute; peristome sharp, labiate 
within, slightly reflected at the base. 200 sp. Universal; 
largely European. #H. hispida, Mull. (xciv, 44). 
Hispidella, Lowe, 1852. H. nubigena, Lowe. Canary Islands. 
Ciliella, Mousson, 1872. H. leprosa, Shutt. 2sp. Canary 
Islands. ; 
Xerophila, Held, 1837. (Oxychilus, Fitz., 1833. Theba, 
Risso, 1826.) Shell perforated or umbilicated, turbinate, or 
globosely depressed, rarely conic-orbicular, calcareous with cor- 
neous apex, shining; whorls five or six, gradually enlarging ; 
aperture subcircular; peristome simple, labiate within. 200 sp. 
H. ericetorum, Mull. 
Euparypha, 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. H. Pisana, Mull. (xciv, 46). 
Mostly European. 
Heliomanes, Fer.,1819. Shell globose. Mediterranean region. 
H. variabilis, Diap. 
Pseudoxerophila, Westerlund. Shell with fine spiral striz 
and rows of punctiform impressions. H. instabilis, Ziegler, ete. 
Monilearia, Mousson, 1872. 11 sp. Canary Islands. #. 
phalerata, Webb and Bertholet. 
Lemniscia, Lowe, 1854. H. Michaudi, Desh. Porto Sancto. 
Jacosta, Gray, 1821. (Crenea [pt.], Albers, 1850.) Shell 
