Ⅰ．THE SERPENT＇S WORLD 1
Ⅱ．THE SCOPE OF THE CLAN 8
Ⅲ．DISTRIBUTION OF SNAKES 11
Ⅳ．GENERAL HABITS 16
Ⅴ．GENERAL CLASSIFICATION 23
Ⅵ．THE GIANT SERPENTS 34
Ⅶ．THE NEW WORLD HARMLESS SNAKES 50
Ⅷ．THE OLD WORLD HARMLESS SNAKES 77
Ⅸ．THE REAR-FANGED SNAKES 87
Ⅹ．POISONOUS SNAKES OF NORTH AMERICA 96
Ⅺ．POISONOUS SNAKES OF CENTRAL AND SOUTH AMERICA 125
Ⅻ．POISONOUS SNAKES OF EUROPE AND ASIA 144
ⅩⅢ．POISONOUS SNAKES OF AFRICA 165
ⅩⅣ．POISONOUS SNAKES OF AUSTRALIA 188
INDEX 199