class="tl">Carriers of Disease

235 The Entrance of Parasites—Man as a Carrier of Disease—House Flies and Disease. XXII. Immunity and Curative Inoculations 241 Inoculation of Smallpox—Antitoxins—The Wonderful Properties of Blood—Germ-killing Poisons in the Blood—Opsonins or Sauce for Germs. XXIII. The Strange Story of Animal Life in New Zealand 251 Strange Birds—Destroyed by Europeans—Introduced Animals. XXIV. The Effacement of Nature by Man 259 Disappearance of Great Animals—Man's Reckless Greed—Hope in Irrigation.

XXV.	The Extinction of the Bison and of Whales	266
	Drowning in a Dead Whale's Heart—The Value of Whalebone—No more Turtle Soup.
XXVI.	More about Whales	273
	The Shape of Whales—Enormous Pressure of Gas in the Blood—The Killer and the Narwhal—Fossil Whales.
XXVII.	Misconceptions about Science	281
	What Science does not explain—Darwin's Theory is adequate—The Aquosity of Water—Need for Interpreters of Science—The Exploded Ghost called "Caloric"—Nightmares Destroyed by Science—When did the Soul arrive?—The Great Silence.

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LIST OF ILLUSTRATIONS

FIGURES

1.	Flower of the Yellow Sage	4
2.	The Edelweiss	5
3.	"Folding" of Rock Strata	8
4.	A Man Extracting the Jewel from a Toad's Head	58
5.	The Palate of the Fossil Fish Lepidotus	60
6.	The Indian Elephant	66
7.	The African Elephant	67
8.	The Crowns of Three "Grinders" or Molars of Elephants Compared	71
9.	Skeleton of the Indian Elephant	81
10.	The Teeth in the Upper and Lower Jaw-bone of the Common Pig	84
11.	A Reconstruction of the Extinct American Mastodon	86
12.	Skull and Restored Outline of the Head of the Long-jawed Extinct Elephant called Tetrabelodon	87
13.	Head of the Ancestral Elephant—Palæomastodon	89
14.	Restored Model of the Skull and Lower Jaw of the Ancestral Elephant—Palæomastodon	90
15.	Head of the Early Ancestor of Elephants—Meritherium—as it appeared in life	91
16.	Skull and Lower Jaw of a Goat