CONTENTS 



PAGE 



Scheme of the Classification adopted in this Book . . . . ix 



PEEIPATUS 



CHAPTER I 



Introduction External Features Habits Breeding Anatomy 

 Alimentary Canal Nervous System The Body Wall The Tra- 

 cheal System The Muscular System The Vascular System The 

 Body Cavity NephridiA Generative Organs Development 

 Synopsis of the Species Summary of Distribution .... 



MYEIAPODA 



CHAPTER II 



Introduction Habits Classification Structure Chilognatha 

 Chilopoda Schizotarsia SymphylaPauropod a Embryology- 

 Palaeontology . . . . '^^ 



INSECTA 



CHAPTER III 



Characteristic Features of Insect Life Social Insects Defikition 

 OF THE Class Insecta Composition of Insect Skeleton Numbeu of 

 Segments Nature of Sclerites Head Appendages of the Mouth 

 Eyks Thorax Entothor ax Legs Wings Abdomen or Hind 

 Body Spihacles Systematic Orientation 83 



