S. granulatum.

S. lævigatum.

S. stramineum.

S. hybridum.

S. variegatum.

S. luteum.

S. perspectivum. The perspective Solarium. Pl. [23], fig. 4.

Species very carinated in their circumference; the aperture square; umbilicus large and crenated; colour yellowish, with brown and white bands on the sutures of the volutions.

S. variegatum. The variegated Solarium.

Species sub-carinated, aperture sub-orbicular.