TABLE OF CONTENTS. 



THE ANIMAL KINGDOM. 



BOOK I. 



PACK 



THE INVISIBLE WORLD 3 



Chap. I. Microscopic Animalcules 10 



II. The Antediluvian Infusoria 26 



III. Fossil Meal and the Earth-Eaters 30 



IV. Cities built of Microscopic Shells 32 



V. The Monad 40 



VI. Resurrections. The Phoenix and Palingenesis ... ,42 

 VII. The Sponge and the Flint 52 



BOOK II. 



THE ARCHITECTS OF THE SEA 57 



Chap. I. The Coral and its Builders 59 



II. Island Builders 65 



III. Stone-Borers and Wood-Borers 72 



IV. Mountain Builders 79 



BOOK III. 



INSECTS 85 



Chap. I. Marvels of Insect Organization 91 



II. Metamorphoses 126 



III. The Intelligence of Insects 137 



IV. Hunting Insects 155 



V. Slave-Makers and Warlike Tribes 164 



VI. Architects and Devourers of Towns 1 74 



VII. Grave- Diggers and Miners 182 



