CONTENTS 



HALF-VOL. I. 



INTRODUCTION 



Page 



ON SCIENTIFIC METHOD i 



THE STUDY OF ANIMALS: Subject-matter of Biology Subdivisions of Biology- 

 Ways of Studying Zoology 4 



PLAN OF PRESENT WORK 17 



CHAPTER I 



CLASSIFICATION STRUCTURE OF MAN TAKEN AS A TYPE 



GENERAL CONSIDERATIONS: Symmetry: Limbs. STRUCTURE OF THE HUMAN 

 BODY: The Endoskeleton : Nutrition and Digestive Organs: Circulatory 

 Organs: Waste-removing Organs and Chemical Changes in the Body: Organs 

 of Movement: Nervous System and Sense-Organs : Common Origin of Sense- 

 Organs 21 



CHAPTER II 



ESSENTIAL CHARACTERS OF VERTEBRATE ANIMALS. STRUCTURE 

 AND CLASSIFICATION OF MAMMALS (MAMMALIA) 



VERTEBRATES AND INVERTEBRATES Essential Characters of Vertebrates. 



MAMMALS (MAMMALIA) 

 Essential Characters. Classification A, Eutheria ; B, Metatheria ; C, Prototheria. 



A. EUTHERIA 



Order i. MAN AND MONKEYS (Primates) 70 



Order 2. LEMURS (Lemuroidea) 79 



Order 3. BATS (Chiroptera) - - 81 



Order 4. INSECT-EATERS (Insectivora) - 83 



Order 5. FLESH-EATERS (Carnivora) - - - - 86 



(1) True or Terrestrial Carnivora: Fissipedes (Cats, Dogs, and Bears) - - 87 



(2) Aquatic Carnivora : Pinnipedes (Walruses, Sea-Lions, and True Seals) - 98 



Order 6. WHALES AND PORPOISES (Cetacea) 99 



Order 7. SEA-Cows (Sirenia) 101 



