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Same as Pulmonata.

A group of Pulmonifera having the eyes at the base of the tentacles, including the common pond snails.

A large division of gastropod molluske, including the Pulmonifera and Opisthobranchiata.

sion of gastropod mollusks, including those that breathe by gills, as contrasted with the Pulmonifera. -- Hy`dro*bran"chi*ate, a.

nail (Zoöl.), any snail which lives on land, as distinguished from the aquatic snails are Pulmonifera, and belong to the Geophila; but the operculated land snails of warm countries are Dioecia, and belong to the Tænioglossa. See Geophila, and Helix. -- Land spout, a descent of cloud and water in a conical form during…

Any species of Siphonaria, a genus of limpet-shaped Pulmonifera, living between tides, on rocks.

A genus of fresh-water Pulmonifera, having reversed spiral shells. See Pond snail, under Pond.

pod living in fresh-water ponds or lakes. The most common kinds are air-breathing snails (Pulmonifera) belonging to Limnæa, Physa, Planorbis, and allied genera. The operculated species are pectinibranchs, belonging to Melantho, Valvata, and various other genera. -- Pond spice (Bot.), an American shrub (Tetranthera gen…