CONTENTS. Vll 



PAGE 



The Caddis-worm Singular escape The Gnat A time of Peril 

 Blood- Worms A curious spectacle The Dragon-Fly Pheno- 

 mena of the Change The Insect new-born Curious facts about 

 Pupee 273 



PART IV. THE IMAGO. 



CHAPTER I. The New-lorn Perfect Insect. The Eesurrection 

 Meaning of the word Imago Curious aspect of New-born Insect 

 Conclusion of the Dragon-Fly's History Structure of a Wing 

 how expanded Deformed Wings Exception in the Ephemerae 

 Dance of the Ephemerae Insects without Wings Showers and 

 Stains of Blood Aphis-Lion Fly Insects in the Imago state do not 

 increase in size 309 



CHAPTER II. The Structure and Organs of the Imago. Anatomy 

 and Physiology Insects have not Bones Leather-coated Jack 

 The Head and Thorax The Eyes simple and compound- 

 Wonders of an Eye Anatomy of the Eye Immense number of 

 Eyes Remarkable Provision Experiments on the Eyes of Bees- 

 Beauty of the Eyes The Antenna their Function, perhaps the 

 Nose Insects Weather-wise Insects in Rain Organs of Speech 

 Anecdote of Bees Various Functions of Antennae The Mouth 

 in Insects Parts of the Mouth Spiral Tube of the Butterfly 

 Taste and Smell in Insects The Trunk Wings Membranous 

 Scale covered Wing-Cases Experiments on Flying Painted 

 Wings The glory of the Butterfly The Legs of Insects Clean- 

 liness of Insects The Water Boatman Kangaroo Beetle The 

 Abdomen The Sting of the Bee Insect with a Leg in its Tail . 335 



