‘96 PUPA. 
Var. II. edéntula (Mog.) Toothless. 
b. shape. | Var. III. sempronit (Charp.). Smaller, 
toothless, lip colour of shell. 
c. colour. Var. 1V. albina (Mog.). White. 
Sub-genus.—PUPI{LLA, Gray. 
4. P. MUSCORUM (zhabtting moss) Linné. Pl. IV., f. 13. 
[=P. MARGINATA Draf.] 
Cylindrical, rather solid, dull, brown horn-colour ; whorls 6—7 ; 
striated finely in line of growth ; sowth nearly circular, outside which 
is a white rib not quite on the margin which is thin and not reflected ; 
furnished with a denticle similar to that of the last species. 
A. 34mm. B. 14 mm. 
This species is specially fond of sandy soils near the 
sea coast, but is also frequently fonnd inland. Its range 
extends throughout the British Isles. 
P. cylindracea and P. muscorum differ as fellows :— 
P. CYLINDRACEA. P. MUSCORUM. 
Smooth and glossy, ovate, | Dull and striated, cylindri- 
mouth horseshoe-shaped cal, mouth — smaller, 
with a thick reflected nearly circular, lip not 
lip. reflected but thickened 
near the edge. 
Var. I. drévis (Baud). Short, tumid, fertstome white. 
Var. II. digrandta (Rossm.). Smaller, thicker, with 
two denticles. 
Var. III. edéntula (Clessin). Without any denticle. 
