CONTENTS
| CHAPTER | PAGE | |
| I. | Inhabitants of a Drop of Water | [7] |
| II. | The Sponges | [18] |
| III. | The Jellyfishes | [26] |
| IV. | The Sea Anemones | [38] |
| V. | The Corals | [44] |
| VI. | The Stone Lilies | [56] |
| VII. | The Stars of the Sea | [60] |
| VIII. | Ocean Hedgehogs | [65] |
| IX. | The Sea Cucumbers | [70] |
| X. | The Worms | [73] |
| XI. | The Two-valved Shells | [89] |
| XII. | The Univalves | [103] |
| XIII. | The Cuttlefishes | [117] |
| XIV. | The Crustaceans | [128] |
| XV. | From Barnacles to Lobsters | [134] |
| XVI. | The Crabs | [145] |
| XVII. | Luminous Crabs | [156] |
| XVIII. | The Insects | [159] |
| XIX. | Lower Forms of Insects | [164] |
| XX. | The Spiders | [168] |
| XXI. | Some Six-legged Insects | [178] |
| XXII. | Some Mimics | [186] |
| XXIII. | The Grasshoppers and Locusts | [190] |
| XXIV. | The Beetles | [195] |
| XXV. | The Bugs | [199] |
| XXVI. | Flies and Mosquitoes | [204] |
| XXVII. | The Butterflies and Moths | [212] |
| XXVIII. | The Ants | [222] |
| XXIX. | The Bees and Wasps | [228] |
| Index | [233] |
HALF HOURS WITH
THE LOWER ANIMALS
PROTOZOANS, SPONGES, CORALS, SHELLS, INSECTS, AND CRUSTACEANS