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Abstract

The swiftly flowing South Esk River, confined to its
narrow bed, in which numerous rock pools have been worn,
the North Esk, a placid stream, subject to tidal influence for
some miles; aud the Tamar River, formed by the junction
of these two, with a 40-miles course to the sea, and a
gradually increasing salinity, offer a specially favourable
habitat for various genera aud species of the Diatomacae,
and it is interesting to note the distribution of the genera
—
in some cases indifferent to most severe changes in conditious,
in others susceptible to the slightest influences. Thus Actinocyclus Barkleyi I have found at the First Basin,
a mile above the bridge, in fresh water, in company with
Synedra splendens and Nitzchia rigida and Nitzchia viridis.

Item Type:	Article
Authors/Creators:	Burbury, FE
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 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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