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Abstract

Between the Phytophagous Molluscae, which live either
upon land or in fresh water, and the marine division, which
subsists upon seaweeds, there seems to intervene a remarkable
group of animals of this class, which, although organized
to enjoy life in both elements, can do so only by alternately
changing one for the other. They are, in short,
amphibious molluscae, and have been placed in our arrangement
next to the Linnean genus Turbo, because several
of these latter have the same peculiarity of habit and mode
of general structure. This curious group is probably
represented by the old Valuta Auris Midae of Linnaeus, now
forming the modern genus Geovula, or Melampus of Montford.
In these as well as the subordinate forms of Pedipes,
by Adamson ; Scarabus, Montf ; and Rhodostoma, Sw.;
the pillar, and often the outer lip, is marked by distinct
plaits or folds, perfectly analogous to the Volutidae. Hence
they have been termed amphibious Volutes.

Item Type:	Article
Authors/Creators:	Swainson, William
Keywords:	Royal Society of Tasmania, Van Diemens Land, VDL, Hobart Town, natural sciences, proceedings, records
Journal or Publication Title:	Papers and Proceedings of the Royal Society of Tasmania
ISSN:	0080-4703
Collections:	Royal Society Collection > Papers & Proceedings of the Royal Society of Tasmania
Additional Information:	In 1843 the Horticultural and Botanical Society of Van Diemen's Land was founded and became the Royal Society of Van Diemen's Land for Horticulture, Botany, and the Advancement of Science in 1844. In 1855 its name changed to the Royal Society of Tasmania for Horticulture, Botany, and the Advancement of Science. In 1911 the name was shortened to The Royal Society of Tasmania.
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