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Arruda Furtado, Francisco de in correspondent 
1880-1889::1881::07 in date 
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From:
Charles Robert Darwin
To:
Francisco de Arruda Furtado
Date:
3 and 6 July 1881
Source of text:
Historical Archive of the Museums of the University of Lisbon (PT/MUL/FAF/C/01/0017)
Summary:

Thanks Fd’AF for his interesting letter. CD suggests observations it would be worth making [in the Azores] although he is too old to make any direct use of them. Fauna and flora of different islands should be compared and the plants and animals from all high mountain summits collected. Suggests Fd’AF investigate the presence of glacial deposits and fossils on the islands. Survival of eggs in salt-water should be tested, as the wide distribution of lizards, land molluscs, and earthworms is a perplexing problem.

Will be very glad to read the essays Fd’AF sent.

Contributor:
Darwin Correspondence Project
From:
Francisco de Arruda Furtado
To:
Charles Robert Darwin
Date:
29 July 1881
Source of text:
DAR 159: 114a
Summary:

Many thanks for CD’s advice and suggestions. His letter is a great source of encouragement.

Contributor:
Darwin Correspondence Project
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