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LECTURE I.
GENERAL RELATIONS OF SCIENCE AND AGNOSTIC SPECULATION 9
LECTURE II.
THE SCIENCE OF LIFE AND MONISTIC EVOLUTION 47
LECTURE III.
EVOLUTION AS TESTED BY THE RECORDS OF THE ROCKS 103
LECTURE IV.
THE ORIGIN AND ANTIQUITY OF MAN 137
LECTURE V.
NATURE AS A MANIFESTATION OF MIND 175
LECTURE VI.
SCIENCE AND REVELATION 219