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CHAP. I.--I. General notes on poisonous animals 1

II. General classification of poisonous snakes. Their anatomo-physiological characters 3

CHAP. II.--Habits of poisonous snakes. Their capture 17

CHAP. III.--Description of the principal species of poisonous snakes. Their geographical distribution 22

A. Europe 22

B. Asia, Dutch Indies and Philippine Islands 30

C. Africa 57

D. Australia and adjacent large islands 81

E. America 100

F. Hydrophiidæ (sea-snakes) 131

G. Geographical distribution of the principal genera of poisonous snakes in the five divisions of the world 142