Nature's Miracles

Familiar Talks on Science

BY

ELISHA GRAY, Ph. D., LL. D.

Vol. I

World-Building and Life

Earth, Air, and Water

NEW YORK

FORDS, HOWARD, & HULBERT

Copyright, 1899,

BY

FORDS, HOWARD & HULBERT.

THE MERSHON COMPANY PRESS,
RAHWAY, N. J.

[Pg iii]

CONTENTS.

CHAPTER PAGE

Introduction, v


Earth.

I. World-Building and Life, 1

II. Limestone, 12

III. Coal, 22

IV. Slate and Shale, 31

V. Salt, 36


Air.

VI. The Atmosphere, 42

VII. Air Temperature, 51

VIII. Cloud Formation, 60

IX. Cloud Formation (Continued), 69

X. Wind—Why It Blows, 79

XI. Wind (Continued), 88

XII. Local Winds, 100

XIII. Weather Predictions, 110

XIV. How Dew Is Formed, 115

XV. Hailstones and Snow, 124

XVI. Meteors, 129

XVII. The Sky and Its Color, 134

[Pg iv]XVIII. Liquid Air, 146


Water.
...