All terrestrial shells in this genus, taken from the Linnæan Helix on
account of the peculiarity of the shell, which is orbicular, more or
less flat on the upper part; the circumference of the shells constantly
carinated or sub-carinated; aperture ovate, transverse, contiguous to
the axis of the shells; outer lip sub-angular, sometimes toothed within.
Carocolla acutissima.
C. albilabris.
C. angistoma.
C. labyrinthus.
C. lucerna.
C. inflata.
C. Gualteriana.
C. bicolor.
C. Mauritiana.
C. Madagascariensis.
C. marginata.
C. lychnuchus.
C. planata.
C. planaria.
C. hispidula.
C. lapicida.
C. albella.
C. elegans.
_C. lapicida._ The stone Carocolla. Pl. 19, fig. 1.
Species discoid, very umbilicated; edges thick, but not toothed;
beautiful bands.
_C. elegans._ The elegant Carocolla.
Species with a conical spire a little elevated, the base flat, the
aperture square, with sharp edges.
_C. labyrinthus._ The winding Carocolla.
Species discoid, umbilicated, with the aperture toothed.