TABLE OF CONTENTS. 



PART I. 



Page 



Chap. I. — I. General notes on poisonous animals ... ... ... ... 1 



II. General classification of poisonous snakes. Their anatomo- 



physiological characters ... ... ... ... ... 3 



Ch.\p. II. — Habits of poisonous snakes. Their capture ... ... ... 17 



CH.A.P. III. — Desci-iption of the principal species of poisonous snakes. Their 



geographical distribution ... ... ... ... ... 22 



A. Etirope ... ... ... ... ... ... ... 22 



B. Asia, Dutch Indies and Philippine Islands ... 30 



C. Africa 57 



D. Australia and adjacent large islands ... ... 81 



E. America ... ••■ 100 



F. Hydrophiidce {sea-snaTces) ... ... ... ... 131 



G. Geographical distribution of the principal genera 



of poiso7ious snakes in the five divisions of the 



luorld ... ... ... ... ... ••• ••■ 142 



PART II. 



Chap. IV. — Secretion and collection of venom in snakes 147 



Chap. V. — Chemical study of snake- venoms ... ... ... ••• ■•■ 1^9 



Chap. YI. — Physiological action of snake- venoms ... ... ... ••- 168 



A. Physiology of poisoning in man and in animals bitten 



by the different species of poisonous snakes (Colii- 



hridce, Viperida;, Hydrophiidte) ... ... ... 168 



B. Physiology of experimental poisoning ... ... 170 



C. Determination of the lethal doses of venom for dif- 



ferent species of animals ... ... .-• •■• 173 



D. Effects of venom in non-lethal doses 177 



