174 HELICID-E. 



Inhab. moist woods, under stones. 



Animal grey, paler beneath ; foot slender. 



Shell half a line long, pale chestnut-brown, semi- 

 transparent, striolate ; spire composed of five much 

 rounded volutions ; aperture reversed, somewhat tri- 

 angular, obliquely truncate, with the peristome thin, 

 white, and slightly reflected, forming an umbilicus 

 behind the pillar ; behind the outer lip is a longitu- 

 dinal rib, and two or three transverse pale lines, being 

 the reflection of the internal teeth ; teeth two above, 

 and five round the mouth, with sometimes an eighth 

 tooth on the pillar lip. 



si. 8. VERTIGO angustior. Narrow Whorl Shell. 

 Shell ventricose, barrel-shaped, pale fulvous, 

 very slightly and sharply striated ; whorls four 

 or five, last broad ; mouth sub-triangular ; teeth 

 four or five, two on the column and two or three 

 on the outer lip; peristome rather thickened, 

 (t 12. f. 142.) 



Turbo Vertigo. Mont. Test. Brit. 363. t. 12. f. 6. (not var.) 

 Vertigo angustior. Jeffreys, Linn. Trans, xvi. 361.; 

 Alder, Mag. Zool. and Bot. ii. 112.; Gray, Man. 205. 

 Vertigo Venetzii. Charnent. ; Denke, Schw. 18. t. 2. f. 11. ; 

 Rossm. Icon. x. f. 650. Pupa Venetzii. L. Pfeiffer, Helic. 

 ii. 264.; Forbes and Hanley, B. M. iv. 112. t. 130. f. 9. 

 Vertigo hamata. Held. Isis, 1837, 304. (?) Vertigo pli- 

 cata. A. Miiller, Wiegm. Arch. N. 1838, 210. t. 4. f. 6.; 

 Moq. Tand. M. F. ii. 408. t. 29. f. 8. 11. 



Inhab. rejectamenta of a small stream at Marino, 

 near Swansea. 



Mr. Jeffreys observes, besides the very different 

 contour and more contracted aperture of this shell, 

 the circumstance of the back being more sunk in 



