Secrets of Earth and Sea

CONTENTS

CHAP.		Page
I.	The Earliest Picture in the World	1
II.	Portraits of Mammoths by Men Who Saw Them	26
III.	The Art of Prehistoric Men	35
IV.	Vesuvius in Eruption	55
V.	Blue Water	74
VI.	The Biggest Beast	84
VII.	What is meant by "a Species"?	92
VIII.	More about Species	100
IX.	Species in the Making	108
X.	Some Specific Characters	118
XI.	Hybrids	131
XII.	The Cross-breeding of Races	139
XIII.	Wheel Animalcules	157
XIV.	More about Wheel Animalcules	165
XV.	Suspended Animation	173
XVI.	More about Suspended Animation	182
XVII.	The Swastika	191
XVIII.	The Origin of the Swastika	200
XIX.	The Tomoye and the Swastika	209
XX.	Coal	217
XXI.	Boring for Oil	223
XXII.	The Story of Lime-Juice and Scurvy	229
	Index	239

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