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Abstract

Cypris Alburyana (n. s.).-Gregarious
in the altered opalescent rock overlying the basalt in the
Travertin Limestone Quarry at Geilston.
Specimens of this freshwater entoniostracan were collected
by me some two or three years ago in abundance at Geilston.
It is an interesting form, as it affords us valuable information
regarding the condition under which opal-like rock was
formed prior to the peculiar change in its structure. Includes cross section drawings.

Item Type:	Article
Authors/Creators:	Johnston, Robert Mackenzie
Keywords:	Royal Society of Tasmania, Van Diemens Land, VDL, Hobart Town, natural sciences, proceedings, records
Journal or Publication Title:	Papers & Proceedings of the Royal Society of Tasmania
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 Royal Society of Tasmania for Horticulture, Botany, and the Advancement of Science. In 1911 the name was shortened to Royal Society of Tasmania.
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