From:
Charles Babbage
To:
Mary Somerville
Date:
23 Jul 1836
Source of text:
MSB1 / 238, Dep. c. 369, Bod, MS
Summary:
No summary available.
Contributor:
Brigitte Stenhouse
No summary available.
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Speculates on extinction of species by natural (not miraculous) causes intermediate to Creator. JH's theory of shifting crust over Earth's surface and its subsequent transfer of pressure. Seeks geological primum mobile for volcanoes based on continual deposition and melting of strata. 'All records of former worlds must ultimately perish.'