114 BOOK OF SPECIES. 
LES COLUMELLAIRES. 
COLUMBELLA. 
Shell oval; spire short; base of aperture more or 
less emarginate; no canal; columella plated ; 
outer lip dilated internally, narrowing the aper- 
ture. 
C. rustica. Sub-ovate, smooth, with a pro- 
minent spire; pillar retuse and toothed; outer 
lip gibbous and dentated ; colour varying, but is 
generally chestnut, with longitudinal interrupted 
streaks and waved stripes of white. j. 
C. MERCATORIA. Ovate-turbinated, grooved 
transversely, white, variously clouded, spotted, or 
banded with yellowish black or brown; mouth 
white; lip denticulated within. 3. W. 26. 73. 
C. nit1pA. Ovate-oblong, smooth, shining, 
irregularly mottled all over with fulvous and white, 
or red and white ; columella with indistinct plaits; 
lip almost smooth; spire short. 3. W. 24. 127. 
C. FULGURANS. Ovate, smooth, but striated 
near the base, nearly black, with white longitu- 
dinal angularly flexuous streaks; spire short, ob- 
