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Boardman, A. F. in author 
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From:
Alexander F. Boardman
To:
Charles Robert Darwin
Date:
8 Jan 1871
Source of text:
DAR 160: 230
Summary:

More speculations [see 5811] on the evolutionary development of man, relating progress to the consumption of better food and the availability of moist air.

Contributor:
Darwin Correspondence Project
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From:
Alexander F. Boardman
To:
Charles Robert Darwin
Date:
3 Apr 1871
Source of text:
DAR 160: 231
Summary:

Apologises for shortcomings of his argument in earlier letters, explaining he has had little scientific education, but a life-long interest in progressive development. Resumes theorising.

Contributor:
Darwin Correspondence Project
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From:
Alexander F. Boardman
To:
Charles Robert Darwin
Date:
18 Mar 1872
Source of text:
DAR 160: 232
Summary:

On how various human emigrations have supported the work of natural selection.

Defends the view that soil and air account for taller stature of westerners in U. S.

Contributor:
Darwin Correspondence Project
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