CONTENTS 
PREFACE 
SCHEME OF THE CLASSIFICATION ADOPTED IN THIS Book 
CHAPTER I 
INTRODUCTORY 
CHAPTER II 
STRUCTURE AND PRESENT DISTRIBUTION OF THE MAMMALIA 
CHAPTER III 
Tue PossipLE FORERUNNERS OF THE MAMMALIA 
CHAPTER IV 
Tue DAWN oF MAMMALIAN LIFE 
CHAPTER V 
Tue EXxIsTING ORDERS OF MAMMALS: PROTOTHERIA—MONOTREMATA 
CHAPTER VI 
INTRODUCTION TO THE Sup-CLAsSsS EUTHERIA 
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CHAPTER VII 
EUTHERIA—MARSUPIALIA 
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