86 HELICIDZE. 
V. PUSILLA. VY. ANGUSTIOR. 
Larger, broader in pro- Smaller, narrower in pro- 
portion. portion. | 
Last whorl broadest. Penultimate whorl 
broadest. 
Mouth semi-oval. Mouth triangular. 
Outer lip very slightly Outer lip very deeply 
contracted. contracted. 
Teeth six to seven. Teeth four to five. 
C. Dextran, without teeth. 
9. V. EpENTULA (toothless). 
Cylindrical, thin, glossy, horn-colour; slightly striated 
in the line of growth ; whorls five and a half to six and a 
half; spire abrupt; mouth nearly circular; lip thin; wm- 
bilicus narrow. 
Found in several parts of Great Britain and Ire- 
land, but it 1s local. 
It frequents decaying leaves and logs, and is par- 
ticularly active after rain. Dr. Jeffreys remarks, and 
other writers bear him out im saying that “when 
crawling it usually carries its shell in a slanting posi- 
tion.” It is, therefore, with much diffidence that I 
record my own observation as being opposed to this— 
in fact, what has struck me as noticeable is the per- 
pendicular position of the shell when the animal is in 
