CONTENTS 



Scheme of the Classifioation^adopted in this Book 



PEEIPATUS 



CHAPTER I 



Intkoduotion — External Featukes — Habits — Beeedixg — Anatomy — 

 Alimentakt 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 .... 



MYKIAPODA 



CHAPTER II 



Introduction — Habits — Classification — Structure — Chilognatha — 

 Chilopoda — Schizotarsia — Symphyla — Paukopoda — Embryology — 

 Palaeontology . .29 



INSECTA 



CHAPTER III 



Characteristic Features of Insect Life — Social Insects — Definition 

 OF the Class Insecta — Composition of Insect Skeleton — Number of 

 Segments — Nature of Scleeites — Head — Appendages of the Mouth 

 — Eyes — Thorax— Entothorax — Legs — Wings — Abdomen or Hind 

 Body — Spiracles— Systematic Orientation . . 83 



