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Webster 1913 Edition
Scalaria
‖
Sca-la′ri-a
,Noun.
[L., flight of steps.]
(Zool.)
Any one of numerous species of marine gastropods of the genus
Scalaria
, or family Scalaridae
, having elongated spiral turreted shells, with rounded whorls, usually crossed by ribs or varices. The color is generally white or pale. Called also ladder shell
, and wentletrap
. See Ptenoglossa
, and Wentletrap
.