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BY CHARLES DAEWIN, M.A., FELLOW Or TbE XOYAL, GEOLOGICAL, lUMlt,
ETC., SOCIETIES J AUTHOR Or "JOCRSAL Or RESEARCbES BURINS E. M. 8.
BEAOLI'S TOTAOE BOUID TOE WORLD." A JftW EDITION REVISED AND ...
... and sadly damaged by some of its supporters, is yet the only one to which
physiology lends any countenance — their existence would seem to show that
the amount of modification which living beings have undergone during
geological time ...
lug— Fertility of varieties when crossed and of their mongrel offspring not uni
versal— Hybrids and mongrels compared independently of their fertility—
Summary ,217 CHAPTER IX. OK THE IMPERFECTION 07 THE GEOLOGICAL
INTRODUCTION. When on board H. M. S. 1 Beagle ' as naturalist, I was much
struck with certain facts in the distribution of the inhabitants of South America, and
in the geological relations of the present to the past inhabitants of that continent.
In considering the Origin of Species, it is quite conceivable that a naturalist,
reflecting on the mutual affinities of organic beings, on their embryological
relations, their geographical distribution, geological succession, and other such
facts, might ...
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