HELIX 8. 
255 
GG6. H. retusa PiV. 
T. imperforata, subglobosa, apice retusa, tenuis, laevigata, 
basi concentrice slriolata, castaneo -fulva, albo late strigata et 
flammulata, epidermide hydrophana , albida, decidua partim in- 
duta, sursum pallescens, castaneo-fasciata; spira brevis; anfr. 4 
couvexiusculi, ultimus subangulatus, vix descendens; columella 
intrans, alba, superne dentato-dilatala; apertura rotundato-Iunaris, 
intus margaritacea; perist. late expansum, reflexiusculura. — 
Diam. maj. 28, inin. 24, ait. 20 mill. (Mus. Cuming. et Gruner.) 
Helix retusa Pfr. in Proc. Zool. Soc. t 845. p. 132. 
— — PhiL Icon. II. H . p. 84, t. 7. f. 2. 
_ _ Chemn. ed. II. Helix N. 274. t. 47. f. 9. 10. 
Habitat in insula Samar Philippinarum (Cuming). 
T. imperforata, globosa, oblique irregulariter rugulosa, flava, 
haud nitens, fascia nivea ad suturam, saturate rufa ad periphe- 
riam ornata, interdum fusco-strigata ; anfr. convexiusculi, ul- 
timus juxta aperturam constrictus; columella lata, alba, sub- 
tuberosa, area nigricante circumdata; apertura lunato -circularis, 
intus nitide nivea; perist. reflexum, nigro-marginatum. — R. a. 
=1 5 : 11. — Diam. maj. 26, min. 23, ait. 18 mill. (Coli. Nr. 396.) 
Helix sphaerica Sow. in Prpe. Zool. Soc. 1 841. p. 26. 
— — Pfr, Symb. II. p. 39. 
— — Deles^;: recueil t. 3 8 . f. 1 . 
— — Chemn. ed. II. Helix N. 250. t. 39. f. 3. 4. 
Habitat in insulis Luzon et Zebu (Cuming). 
T. impe la , turbinalo-globosa , solida, striata, castanea; 
spira elata, conoidea, apice obtusa; anfr. 5% convexi, ultimus 
pallide cingulalus, interdum medio subangulatus; sutura profunda; 
apertura late rotundato-Iunaris; perist. subincrassatum, margine 
supero vix expanso, basali et columellari dilatato, arcuato, car- 
neo. — Diam. maj. 27, min. 23, ait. 20 mill. (Mus. Cuming.) 
Helix mandarina Cray Zool. of Beech. voy. p. 143. l. 38‘. f. 3. 
p. Spira elatiore, apertura magis rotundata: diam. maj. 25, min. 22/2, 
ait. 23 mill. (Mus. Cuming.) 
Helix mandarina var. Cray Zool. of Beech. voy. t. 34. f. 2. 
Habitat Loo-Choo (Cray). 
669. H. strobilus Ferussac. 
T. imperforata, conico-globosa , oblique striata , nitida, nigri- 
cans, interdum cingulo lato fusco circumdata, circa columellam 
667. H. sphaerica Sowerby, 
66S. H. mandarina Gray. 
