242 HELICIDiE. 



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

 and furnished Avith several teeth and folds : outer lip 

 slightly expanded and reflected. 



1. Pupa seca'le^, Draparnaud. 



P. secede, Drap. Tabl. MoU. p. o9 ; F. & H. iv. p. 101, pi. cxxix. f. 5. 



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

 slightly and irregularly tubercled : mantle minutely speckled 

 with 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 solid, opaque, somewhat glossy, 

 light-brown or yellowish-horncolour, marked transversely 

 or in the line of growth with numerous obliquely 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 twisted at its base up- 

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

 and bkmt at the point : 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 pillar 

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

 others), two on the pillar Hp, 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 lines : outer 

 lip thickened and slightly reflected : umbilicus extremely small 

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



Yar. 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. Gibbon) near Crickliowell in 

 Breconshire, South Wales. Dr. Lukis informs me that 

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



* A grain of rye. 



