| LESSON | | PAGE |
| I. | A Look at an Ant | [1] |
| II. | The Life of an Ant | [4] |
| III. | The Ant’s Home | [9] |
| IV. | The Ants at Home | [13] |
| V. | The Ants on a Trip | [16] |
| VI. | The Farmer Ants | [20] |
| VII. | Ants and Their Trades | [24] |
| VIII. | The Slave Ants | [28] |
| IX. | Wonder Ants | [31] |
| X. | The Ways of Ants | [34] |
| XI. | Mr. Worm and his Family | [39] |
| XII. | Mr. Earth-worm at Home | [42] |
| XIII. | Mr. Worm at Work | [46] |
| XIV. | Mr. Worm’s Cottage by the Sea | [49] |
| XV. | Mr. Worm at Home | [52] |
| XVI. | A Look at a House-fly | [56] |
| XVII. | How to Look at a Fly | [59] |
| XVIII. | Mrs. Fly and her Foes | [63] |
| XIX. | Of what Use are Flies | [66] |
| XX. | A Swarm of Flies | [68] |
| XXI. | Some Queer Flies | [71] |
| XXII. | In Armor Clad | [73] |
| XXIII. | When Mr. Beetle was Young | [78] |
| XXIV. | How to Learn about Beetles | [81] |
| XXV. | The Rose Beetle | [84] |
| XXVI. | Princes and Giants | [88] |
| XXVII. | The Little Sexton | [92] |
| XXVIII. | The Story of the Stag Beetle | [97] |
| XXIX. | Mr. Beetle Seeks for a Home | [101] |
| XXX. | The Little Water-men | [105] |
| XXXI. | Whirligig Beetles | [110] |
| XXXII. | What a Fisherman Told | [113] |
| XXXIII. | Mr. Barnacle and his Son | [116] |
| XXXIV. | A Fishing Party | [121] |
| XXXV. | A Last Look at Mr. Barnacle | [125] |
| XXXVI. | Flowers of the Sea | [127] |
| XXXVII. | The Life of a Jelly-fish | [131] |
| XXXVIII. | Sea-stars | [137] |
| XXXIX. | A Sea-change | [141] |
| XL. | The Star-fish with an Overcoat | [145] |
| XLI. | The Flying Flowers | [151] |
| XLII. | Under the Water | [155] |
| XLIII. | A Happy Change | [160] |
| XLIV. | The Dragon-fly and his Cousins | [164] |
| XLV. | The Wings of the Dragon-fly | [167] |
| Review Lessons | | [173] |