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THE ORIGIN OF SPECIES VOL. II

BY MEANS OF NATURAL SELECTION

OR THE PRESERVATION OF FAVORED
RACES IN THE STRUGGLE FOR LIFE

BY CHARLES DARWIN
M. A., LL.D., F. R. S.

WITH ADDITIONS AND CORRECTIONS
FROM SIXTH AND LAST ENGLISH EDITION

IN TWO VOLUMES
VOL. II

NEW YORK
D. A P P L E T ON AND COM PANY

1898

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the nature of extinct intermediate varieties; on their number—

On the lapse of time, as inferred from the rate of denudation

and of deposition—On the lapse of time as estimated by years

—On the poorness of our palaeontological collections—On the

intermittence of geological formations—On the denudation of

granitic areas—On the absence of intermediate varieties in any

one formation—On the sudden appearance of groups of species

—On their sudden appearance in the lowest known fossiliferous

strata—Antiquity of the habitable earth . - • . 48

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