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Abstract

I think it is well for the benefit of conchologists to put
down some observations on this point. I have frequently
noticed the fading of colour so observable in some specimens.
I have some Cyprea which some years ago were found alive at
Portland, Vic, crawling over the rocks there, at one time so
abundant. Such specimens as I still have are now of a light
grey colour, which when first procured were so dark as to be
almost black. This I had attributed, along with most others
with whom I had any conversation on the subject, to the
effects of the sunlight ; however, this in my experience has
proved to be an error, as it is the results are evidently due to
the atmosphere and not the light, as heretofore supposed.

Item Type:	Article
Authors/Creators:	Kenyon, Agnes F
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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