112 HEMCIDJE. 



which that near the middle of the pillar is the more con- 

 spicuous, are either columellar or basal. An eighth den- 

 ticle is stated to occasionally exist upon the pillar lip. 



Animal dark grey above, pale at the sides and foot ; its 

 lower tentacles almost obsolete. 



It lives among damp moss in wooded places, and is 

 a local species, though not uncommon in the southern and 

 eastern English counties. South Wales (Jeffreys). Mr. 

 Alder records it from Northumberland, and Mr. Go ugh 

 finds it usually upon slate in Westmoreland. Mr. W. 

 Thompson notes it as very rare in Ireland, having been 

 found only near Belfast by Mr. Hyndman and himself, 

 and at Miltown Malbay in Clare by Professor Harvey. 



P. Venetzii, Charpentier. 



Sinistral, mouth with less than six teeth or denticles. 



Plate CXXX. fig. 9. 



Turbo vertigo, Mont. Test. Brit. p. 36*3, pi. 12, £ 6 (not var. p. 365) copied, 

 Maton and Rack. Trans. Linn. Soc. vol. viii. p. 183 (not var.) 

 Turt. Conch. Diction, p. 226 (not var.) and Diu.w. Recent 

 Shells, vol. ii. p. 880. 

 Vertif/o angustior, Jeffreys, Trans. Linn. Soc. vol. xvi. p. 361. — Alder, Mag. 

 Z. and B. vol. ii. p. 112. — Gray, Manual L. and F. W. 

 Shells, p. 205.— Brown, 111. Conch. G. B. p 42, pi. 14, f. 9. 

 „ Venetzii, Charpent. Uenks. N. Schweiz. Gcsel. p. 18, pi. 2, f. 11. — 

 RosSMASSX. Iconog. Land und S'ussw. Moll. pt. 10, p. 30, 

 pi. 49, f. 650. 

 „ Itamata, Held, in Isis, 1837, p. 304, probably. 



„ plicata, A. Muller, Wiegm. Archiv. Nat. 1838, pt. 1, p. 210, pi. 4, f. 6. 

 Pupa Venetzii, L. Pfeif. Monog. Helic. vol. ii. p. 364. 



Shell very minute (not being a single line in length), 

 thin, not much shining, reddish fulvous, or pale umber- 

 coloured, closely but not coarsely striate lengthways. 

 Shape oval, swollen below the middle, abruptly and con- 

 siderably contracted at the base, tapering above, with 



