| I. | Barnaby Learns His Name | [7] |
| II. | An Unexpected Ducking | [17] |
| III. | Meeting Old Associates | [31] |
| IV. | Three Conferences and Their Results | [43] |
| V. | Zeb’s Opinion of Apple Sprouts | [56] |
| VI. | Barnaby Calls on the Doctor | [65] |
| VII. | Hunting the Cows | [78] |
| VIII. | An Unexpected Meeting | [98] |
| IX. | Zeb’s Fame Precedes Him | [114] |
| X. | The Puzzled Professor | [124] |
| XI. | Willing Hands | [134] |
| XII. | Newly Found Friends | [146] |
| XIII. | The Haunted House | [160] |
| XIV. | A Sharper Outwitted | [172] |
| XV. | The Mystery of the Dun Heifer | [187] |
| XVI. | A Mess of Fish | [199] |
| XVII. | Skanigo Lake | [206] |
| XVIII. | Major Montague’s Plans Thwarted | [218] |
| XIX. | A Nocturnal Escapade | [231] |
| XX. | The Boxing Match | [242] |
| XXI. | George Brayton’s Drive | [254] |
| XXII. | Ghosts in the Academy Belfry | [265] |
| XXIII. | The Bell Mystery Remains Unsolved | [281] |
| XXIV. | Major Montague Has a Visitor | [288] |
| XXV. | Mr. Ashbel Norton | [301] |
| XXVI. | A Few Surprising Disclosures | [313] |
| XXVII. | The Fishing Party | [327] |
| XXVIII. | Two Important Telegrams | [342] |
| XXIX. | The Black Valise is Opened | [350] |
| XXX. | The Academy “Ghost” Discovered | [359] |
| XXXI. | Good News for Bar | [369] |
| XXXII. | Home Again | [379] |