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Woodward, S. P. in author 
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From:
S. P. Woodward
To:
J. S. Henslow
Date:
1856
Source of text:
Cambridge University Library MS Add. 8177: 360
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
Samuel Pickworth Woodward
To:
Charles Robert Darwin
Date:
2 May 1856
Source of text:
DAR 181: 153
Summary:

Proportion of molluscan species to genera in various periods. The difficulty of determining species increases with the number of species per genus. Identifying species within a genus is most difficult in that period in which the genus shows its greatest development.

Contributor:
Darwin Correspondence Project
From:
Samuel Pickworth Woodward
To:
Charles Robert Darwin
Date:
4 June 1856
Source of text:
DAR 205.3: 303
Summary:

SPW and Waterhouse agree on island faunas; gives Australia and Tasmania as examples. The "stream of migration" from Asia to Tasmania.

Looks forward eagerly to the publication of CD’s "specific" researches.

Invites CD to send his memoranda [on Manual of Mollusca].

Contributor:
Darwin Correspondence Project
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From:
Samuel Pickworth Woodward
To:
Charles Robert Darwin
Date:
[after 4 June 1856]
Source of text:
DAR 205.9: 403
Summary:

Note on cases of representative shells that are not clearly either varieties or species.

Contributor:
Darwin Correspondence Project
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From:
Samuel Pickworth Woodward
To:
Charles Robert Darwin
Date:
15 July 1856
Source of text:
DAR 205.3: 304
Summary:

Has reduced 20 Cyrena species to geographical varieties of one species, Cyrena fluminalis. Hooker is reducing Indian flora at the rate of 19 to 1.

Recommends W. H. Harvey’s Seaside book [1849] and Charles Pickering’s Races of man [1850].

Contributor:
Darwin Correspondence Project
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From:
Samuel Pickworth Woodward
To:
Charles Robert Darwin
Date:
[15 July 1856]
Source of text:
DAR 205.3: 305
Summary:

Lists Lusitanian shells with wide ranges beyond that geographical province.

Antiquity and elevation of land mass is more important than latitude for the distribution of shells.

Contributor:
Darwin Correspondence Project
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