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THE
ORIGIN OF SPECIES
BY MEANS OF NATURAL SELECTION,
OR THE
PRESERVATION OF FAVOURED RACES IN THE STRUGGLE FOR LIFE.
By CHARLES DARWIN, M. A., F. R. S., &c.
SIXTH EDITION, WITH ADDITIONS AND CORRECTIONS.
(THIRTEENTH THOUSAND.)
LONDON:
JOHN MURRAY, ALBEMARLE STREET.
1873.
The right of Translation is reserved.
