Vlll CONTENTS. 



PAGE 



CHAPTER III. Respiration of the Imago. Experiments upon the 

 Breathing of Insects Chloroform Coal-gas their Effects 

 Contest between a Spider and a Blue-Bottle Fly Air-Pipes of 

 Insects Multitude of Air-TubesCirculation of Blood in Insects 

 An Insect's Pulse 398 



CHAPTER IV. Food and Death of the Imago. Vegetable Eaters 

 Carnivorous Insects The Tigers to Insects Fasts of Insects 

 The Last Duty Insect Forethought The Creator's Wisdom and 

 Love God does not despise Little Things 408 



ILLUSTRATIONS. DIRECTIONS TO BINDER. 



EGG-RAFTS or THE GNAT 1 



FEROCIOUS LARV^; or DRAGON-FLY 79 



INSECTS ESCAPING FROM THE PUPA CONDITION ...... 213 



EVENING FLIGHT OF EPHEMERA 307 



