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Paper · 1858 · age 49

On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection

by Charles Darwin

Kept from en.wikisource.org · 1 file · 138 KBCall number DAR P1858.01

Provenance

Source
en.wikisource.org
Retrieved
1 October 2026
Source terms (summary)
Wikisource: text under CC BY-SA; terms of use apply
Rights
To checkJoint paper by Darwin (d. 1882) and Alfred Russel Wallace (d. 1913).Basis: author death years 1882 and 1913, under a life-plus-70-years rule, as of 2026; other rules, such as the United States publication-date rules, are not assessed.The death year here is not in the archive's records; it comes from general knowledge.
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eafa97921820b7203d68b862f1b208d28143ffd437c25de45f95efbec435d9a5sha256 of the file (64 characters). Any change to the file changes this code.
Cite as
Charles Darwin, On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection (1858). Long Keeping, call number DAR P1858.01. https://longkeeping.com/charles-darwin/on-the-tendency-of-species-to-form-varieties-and-on-the-perp/
Unchanged since collected At the last check, on 2 October 2026, all 903 originals, this work's file among them, matched the fingerprints recorded when they were collected. Each copy is re-checked by hand once a year; there is no automatic alert yet.

Notes on this copy

  • #9Saved from Wikisource without a pinned revision number; the revision is recorded inside the file itself.

Original

Held in the archive: a deciding date not yet confirmed from a source.

See it at its source (another site)

Files

First pass, not a clearance.

FileFormatSizeSourcesha256Label
wikisource-on-the-tendency-of-species-to-form-varieties-1858.htmlmain HTML 138 KB en.wikisource.org eafa97921820b7203d68b862f1b208d28143ffd437c25de45f95efbec435d9a5 To checkJoint paper by Darwin (d. 1882) and Alfred Russel Wallace (d. 1913).Basis: author death years 1882 and 1913, under a life-plus-70-years rule, as of 2026; other rules, such as the United States publication-date rules, are not assessed.The death year here is not in the archive's records; it comes from general knowledge.Held in the archive: a deciding date not yet confirmed from a source. Its source (another site)