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Abstract

In a former paper I stated that whirlwind storms, or cyclones,as Piddington has well designated them, probably take their rise in the great centres of volcanic action. It is found that, even in regions where volcanic eruptions are most frequent, the intervals of their recurrence are still considerable; the average period in most cases consisting of several years. The same observation applies equally to great hurricanes. Repeated instances of coincidence of the phenomena in question will therefore afford strong corroborative evidence of a connexion between them; for their simultaneous occurrence at considerable intervals would render their mutual independence in the highest degree improbable.

Item Type:	Article
Authors/Creators:	Dobson, Thomas
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 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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