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VIII-X); (4) an attempted
solution of the difficulty presented by the occurrence of both very
simple and very complex modes of securing the cross-fertilisation of
plants (Chap. XI); (5) some fresh facts and arguments on the
wind-carriage of seeds, and its bearing on the wide dispersal of many
arctic and alpine plants (Chap. XII); (6) some new illustrations of the
non-heredity of acquired characters, and a proof that the effects of use
and disuse, even if inherited, must be overpowered by natural selection
(Chap. XIV); and (7) a new argument as to the nature and origin of the
moral and intellectual faculties of man (Chap. XV).
* * * * *
Although I maintain, and even enforce, my differences from some of
Darwin's views, my whole work tends forcibly to illustrate the
overwhelming importance of Natural Selection over all other agencies in
the production of new species. I thus take up Darwin's earlier
position, from which he somewhat receded in the later editions of his
works, on account of criticisms and objections which I have endeavoured
to show are unsound.


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