PART I.

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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