CONTENTS. 



CHAPTER I. 



PAGB 



INTRODUCTION... 



CHAPTER II. 

 MARINE AND AQUATIC TRESPASSERS : THE WHALES 12 



CHAPTER III. 

 DOLPHINS AND SIRENS 43 



CHAPTER IV. 



SEALS 55 



CHAPTER V. 



REPTILIAN WATER TRESPASSERS 76 



CHAPTER VI. 

 PARTIAL WATER TRESPASSERS: CARNIVOHA 120 



