150 
HELICID^. 
a; Shell ovate^ whorls gradually enlarging^ covered 
with a brown periostracum ; peristome thickened, 
rejlexed. (Ena Leach. ^ 
64 . 1. Bulimus montanus. Wiltshire Twist Shell. 
— Shell conic-oblong, reddish brown, obliquely 
striolate ; the peristome reflected and forming 
an umbilicus, (t. 6. f. 62.) 
Helix lackamensis. Mont p. 394. t. 11. f. 3. — Helix bucci- 
nata. F. Alten^ JE. and F. Conch. 100. t. 12. f. 22. — 
Bulimus Montacuti. Jeffreys^ Linn. Trans, xvi. 345. — 
Bulimus obscurus. Hartmann.^ N. Alpina^ i. 222. — Bulimus 
montanus. Drap. Tab. Moll. 65., Moll. p. 74. t. 4. f. 22.; 
Turton.^ Man. ed. 1. 80. f. 62.; Sturm., Fauna., vi. t. 6.; 
Pfeiffer., 52. t. 2. f. 10. ; Rossm. Icon. i. f. 41. vi. f. 386. — 
Bulimus (Bulimulus) montanus. Charpent. 14. t. 2. f. 2. — 
Helix sylvestris. Studer., in Coxe's Travels. — Helix ob- 
scura. Schrank., Fauna., B. iii. 273. — Bulimus lackamensis. 
Fleming., .B. H. 265.; Gray, Man. 181.; Forbes and Han- 
ley, B. M. iv. 89. t. 128. f. 6. — Bulimulus lackamensis. 
Beck, Ind. 71. — Ena montana. Leach, Moll. Syn. 80.; Hart- 
mann, 
In moist beech woods, among decayed leaves, and 
on the bark of trees. Wiltshire, Bristol, southern 
and western. 
Animal pale ; tentacles club-shaped. {Mont., 
Sturm f) 
Shell five eighths of an inch long, and a quarter 
of an inch wide, deep chocolate-brown varying to 
light grey, conically elongated ; spire consisting of 
seven slightly raised but well-defined volutions end- 
ing in a rather acute point, irregularly and obliquely 
striate longitudinally, and when magnified having 
the appearance of a shagreen-like roughness ; aper- 
ture oblong-oval, with the peristome chocolate-brown 
