414 
MOLLUSCA. 
connected at their upper parts ; the plait of the columella inter¬ 
posed between them. 
Pupa muscorum. — The Moss Pupa. 
Plate LXXXVI. fig. 21. 
Very small, cylindrical, obtuse, and smooth, brownish horn- 
coloured ; volutions convex; sutures much sunk; aperture with 
one tooth ; outer lip white and reflected. One-eighth of an inch 
long. Inhabits moss, generally in shaded places of Europe. 
Genus 78.—HE L JOIN A.— Lamarck. 
Generic Chracter. — Shell subglobose, imperforate ; aperture 
entire, and semi-oval; columella callous, transverse, and flat; 
margins of outer lip acute, and forming an angle at the base of 
the right margin ; with a horny operculum. 
Helicina major. — The Great Helicina. 
. [Plate LXXXVI- fig. 22. 
Citron coloured, inside pink ; pillar and outer lip white; the 
former broadly reflected on the columella. 
Genus 79.—ANOSTOMA.— Lamarck. 
Generic Character. —Shell suborbicular ; spire convex and 
obtuse ; aperture rounded, dentated within, turned upwards and 
grinning ; margin of the outer lip reflected. 
Anostoma glohulosci. — The Globular Anostoma. 
Plate LXXXVI. fig. 25. 
Suborbicular, obsoletely carinated, smooth, and white ; aper¬ 
ture with six teeth ; reddish-brown. 
Genus 80. — CAROCOELA.— Lamarck. 
Generic Character —Shell orbicular, more or less convex or 
conoid above, with the circumference acutely angulated ; aper¬ 
ture transverse, contiguous to the axis of the shell; outer lip 
subangular, frequently dentated below. 
Carocotta lapicida.— The Stone Carocolla. 
Plate LXXXVI. fig. 26. 
Depressed above, and convex beneath, broadly umbilicated, 
