GASTEROPODA. HELICIDZ. 9] 
districts. It occurs in abundance under stones, on the sides of 
Lackington Hill, near Cheltenham ; and is found more sparingly 
on the sides of the whole of that oolite range. Montagu found 
it near Easton Grey; and near Devizes, in Wiltshire, on old. 
mossy walls, and at the roots of juniper. It is sometimes 
found near Corfe Castle, and Abbotsbury, in Dorsetshire ; and 
near Hertford. I found it m tolerable abundance on the chalky 
hills round Little Hampton, in Sussex. 
Animal blackish ; upper tentacula with their under aspects 
internally whitish. The sides of the body are sometimes fus- 
cous, or approaching to luteous. 
Genus 39. PuPiLua. 
Testa obtusé-turrita ; ad apicem abrupté obtusa. Apertura 
subovata posticé truncata. Peritrema marginatum, reflexum, 
posticé inchoatum. Umbilicus perforatus. Tentacula superiora 
mediocria : inferiora brevia. 
Shell obtusely turrited ; its apex abruptly obtuse. Aperture 
somewhat ovate, truncated posteriorly. Peritreme margined, 
reflexed, commenced behind. Umbilicus perforate. Upper 
tentacula moderate: under ones short. 
1. Puprtta DRAPERNAUDII. 
P. apertura posticé lamella elongata ad peritrematis juncturam 
dextram attingente. 
Turbo muscorum, Mont. Test. Brit. 335; M. §& R. Trans. 
Linn. Soe. viii. 182; Dill. Dese. Cat. 878. 
Pupa umbilicata, Drap. Hist. des Moll. 62. 
Odostomia muscorum, Elem. Edinb. Encycl. vi. 76. 
Animal cinereum, griseum aut pallidé fuscescens. 
Habitat sub muscis passim. 
Aperture of the shell behind, with an elongate lamella, which 
joins the peritreme at its junction with the hinder aspect of the 
aperture, on the right side. 
Whorls somewhat glossy, and transversely striated. Colour 
yellow-horn, slightly transparent. Peritreme and lamella white. 
Height three-sixteenths of an inch. 
This species is found under stones and moss in most parts of 
