Noah Webster Dictionary (1913 edition): Pulmonata

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Noah Webster Dictionary (1913 edition): Pulmonata


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(n. pl.) An extensive division, or sub-class, of hermaphrodite gastropods, in which the mantle cavity is modified into an air-breathing organ, as in Helix, or land snails, Limax, or garden slugs, and many pond snails, as Limnaea and Planorbis.