Vries, Hugo de, 1848-1935 / 2008-06-05 00:00:00
EBOOK SPECIES AND VARIETIES ***
Produced by Dave Gowan
Species and Varieties
Their Origin by Mutation
Lectures delivered at the University of California
By
Hugo DeVries
Professor of Botany in the University of Amsterdam
Edited by
Daniel Trembly MacDougal
Director Department of Botanical Research
Carnegie Institution of Washington
Second Edition
Corrected and Revised
CHICAGO
The Open Court Publishing Company
LONDON
Kegan Paul, Trench, Trubner and Co., Ltd.
1906
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COPYRIGHT 1904
BY
The Open Court Pub. Co.
CHICAGO
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THE ORIGIN OF SPECIES
The origin of species is a natural phenomenon.
LAMARCK
The origin of species is an object of inquiry.
DARWIN
The origin of species is an object of experimental investigation.
DeVRIES.
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PREFACE BY THE AUTHOR
THE purpose of these lectures is to point out the means and methods by
which the origin of species and varieties may become an object for
experimental inquiry, in the interest of agricultural and horticultural
practice as well as in that of general biologic science. Comparative
studies have contributed all the evidence hitherto adduced for the
support of the Darwinian theory of descent and given us some general
ideas about the main lines of the pedigree of the vegetable kingdom, but
the way in which one species originates from another has not been
adequately explained.
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