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Darwinism (1889) by Alfred Russel Wallace
page 7 of 650 (01%)


Definition of species--Special creation--The early
transmutationists--Scientific opinion before Darwin--The problem
before Darwin--The change of opinion effected by Darwin--The
Darwinian theory--Proposed mode of treatment of the subject



CHAPTER II

THE STRUGGLE FOR EXISTENCE


Its importance--The struggle among plants--Among
animals--Illustrative cases--Succession of trees in forests of
Denmark--The struggle for existence on the Pampas--Increase of
organisms in a geometrical ratio--Examples of rapid increase of
animals--Rapid increase and wide spread of plants--Great
fertility not essential to rapid increase--Struggle between
closely allied species most severe--The ethical aspect of the
struggle for existence



CHAPTER III

THE VARIABILITY OF SPECIES IN A STATE OF NATURE


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