CHAPTER I. THE DESERT PAMPAS

CHAPTER II. CUB PUMA, OR LION OF AMERICA

CHAPTER III. WAVE OF LIFE

CHAPTER IV. SOME CURIOUS ANIMAL WEAPONS

CHAPTER V. FEAR IN BIRDS

CHAPTER VI. PARENTAL AND EARLY INSTINCTS

CHAPTER VII. THE MEPHITIC SKUNK

CHAPTER VIII. MIMICRY AND WARNING COLOURS IN GRASSHOPPERS

CHAPTER IX. DRAGON-FLY STORMS

CHAPTER X. MOSQUITOES AND PARASITE PROBLEMS

CHAPTER XI. HUMBLE-BEES AND OTHER MATTERS

CHAPTER XII. A NOBLE WASP

CHAPTER XIII. NATURE'S NIGHT-LIGHTS

CHAPTER XIV. FACTS AND THOUGHTS ABOUT SPIDERS