CONTENTS. 



ItfTBODUCTIOir: PAOE 



The Study of Nature 1 



The Difference between Mineral and Living Bodies 1 



The Difference between Plants and Animals 3 



Definition of Zoology 7 



How to Study Animals 7 



Classification 9 



Paleontology 10 



C^eographical Distribution 11 



CHAPTKB. 



I. The Amoeba and other Boot-animalcules 12 



II. The Monad and other Infusorians , 17 



III. TheSponges 31 



IV. The Hydra and Jelly-fish 36 



V. The Polyps and Coral-makers 32 



VI. The Worms 39 



VII. Starfish, Sea-urchins, and Sea-cucumbers 48 



VIII. The Clam and other Bivalved Shell-fish 54 



IX. Snails and other Univalve Shell-fish 78 



X. The Lobster and other Crustaceans 77 



XI. Scorpions and Spiders 90 



XII. Millepedes and Centipedes , 91 



XIII. Locusts and Grasshoppers. ,, , , ,,.,..., 93 



