umbilicated

Shell turrited, smooth, polished, umbilicated, base truncated, emarginate.

Shell nearly globose, or oval, umbilicated.

Shell ovate, spiral, thin, umbilicated.

Shell oval, whitish, banded with orange lines; spire obsolete, umbilicated; pillar 6 plaited.

Thus, the maculo-papules may never reach a vesicular stage, or, having attained this, the vesicles may not be umbilicated, or may shrivel after their contents have assumed a lactescent color, and be succeeded by light superficial crusts which in a few days fall.