242 HELICID^. 



A. Spire long and pointed : mouth horseshoe- shaped, narrow, 

 and furnished with several teeth and folds : outer lip 

 slightly expanded and reflected. 



1. Pupa seca'le"^^ Draparnaud. 



P. secale, Drap. Tabl. Moll. p. 59 ; F. & H. iv. p. 101, pi. cxxk. f. 5. 



Body brownish-grey or slate-colour, with a reddish tint, 

 slightly and irregularly tuberclcd : mantle minutely speckled 

 ^vith black : tentacles short and thick ; bulbs oblong : foot 

 usually fringed, broader behind than in front, and ending in 

 a triangular and somewhat pointed tail. 



Shell conic-oblong, rather sohd, opaque, somewhat glossy, 

 light-brown or yellowish-horncolour, marked transversely 

 or in the line of growth with numerous obhquely curved 

 striae : periphery rounded, but compressed : epidermis rather 

 thin : whorls 8-9, slightly convex and gradually increasing in 

 size, the four or five first whorls smaller in proportion to the 

 others, the last somewhat dilated and tr^isted at its base up- 

 wards to form the mouth : spire, although long, rather abrupt 

 and blunt at the jjoint : suture moderately deep : mouth longer 

 than broad, somewhat angular, and contracted by the teeth or 

 inside folds, which are as follows — two or three on the i^illar 

 (the middle one when there are three being in front of the 

 others), two on the pillar lip, and four inside the outer lip ; 

 the front tooth on the pillar lip is often accompanied by 

 a smaller tubercle or denticle, and it is placed so near the 

 point of insertion of the outer lip as often to appear a con- 

 tinuation or inflection of that lip ; the tooth-like plates or 

 folds inside the outer lip extend a considerable way into the 

 interior and are visible outside, resembling white hues : outer 

 lip thickened and slightly reflected : umbilicus extremely small 

 and oblique, fonning a narrow chink. L. 0-3. B. 0"125. 



Var. alba. Shell white or colourless. 



Habitat : Rocks, woods, and hill-sides in many parts 

 of England, from Westmoreland to the South of Devon, 

 as well as (according to Dr. Gibl:)on) near Crickhoweil in 

 Breconshire, South Wales. Dr. Lukis informs me that 

 he has not found it in the Channel Isles, although his 



* A grain of rye. 



