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1. Additional observations on the Diatomaceous Earth of Mull, with a notice of several New Species occurring in it, and Remarks on the value of Generic and Specific Characters in the Classification of the Diatomaceæ

Published online by Cambridge University Press:  16 March 2015

William Gregory M.D.
William Gregory M.D.
Affiliation:
Professor of Chemistry
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Extract

The author, after mentioning his previous communications on this subject, stated, that continued investigations of the deposit had yielded the extraordinary number of about 150 species of Diatomaceæ, and that as several of these had been only recently observed, it was nearly certain that more yet remained.

Of these species, from 12 to 15 appear to be undescribed, and there are also 7 or 8 new to Britain, or not hitherto admitted as British species.

Type
Proceedings 1853-54
Information
Proceedings of the Royal Society of Edinburgh , Volume 3 , 1857 , pp. 204 - 207
Copyright
Copyright © Royal Society of Edinburgh 1857

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