221 
t. 6. f. 7.—M. Vouura. F. p. 335.—Conoid, convo-: 
lute, whitish, polished, strong, smooth ; extreme voiu- 
tions two, very small; aperture linear, both lips 
denticulated, the inner very faintly, outer lip much 
thickened and very white; columella subplicated. 2. 
Devon. 
M. CatEnata.—VotuTa C. Mont. p. 236. ¢. 6. 
Ff. 2. and Sup. p. 104.—F. p. 332.—Lin. T. 8. p. 132. 
—D. p. 527.—Oblong-oval, strong, subpellucid, po- 
lished, white with four bands of articulated opaque 
white oblong and small rufous spots or streaks; upper 
volution scarcely defined, the apex indented and invo- 
luted: aperture the whole length of the shell, linear; 
outer lip thin but not marginated and obsoletely denti- 
culated ; pillar with strong and two faint folds. 4... 
4ZeoecsSe 
Cornwall and Guernsey: 
GreNus.—VOLVARIA. 
Cylindraceous, convolute, the spire scarcely prominent ; 
aperture narrow, as long as the shell ; one or more 
plaits on the lower part of the pillar. 
V. Pauuipa. Ff. p. 333.—Vo.uta P. Lin. 1189.— 
D. p. 527.—Inst. t. 714. f.'70. left hand tig.—Mont. 
p. 232.—Buiuia Cytinpracea. Da Cos. t. 2. f. 7.— 
B. Pauiipa. Don. t. 66.—Smooth, glossy, white, 
