| FACING PAGE |
| Map showing the range of the American Golden Plover, |
| with its known migration route | 76 |
| (From The National Geographic Magazine.) |
| Map showing the evolution of the migration route of the |
| American Golden Plover | 78 |
| (From The National Geographic Magazine.) |
| Map showing the evolution of the migration route of the |
| Eastern or Pacific Golden Plover | 80 |
| (From The National Geographic Magazine.) |
| Map to show that a bird leaving Norway, near Aalsund, |
| might be carried round the British Islands in twenty-four |
| hours. The arrows indicate the actual directions and |
| force of wind at the times marked during a slow-travelling |
| circular storm in autumn 1901. Speed of bird |
| about twenty-five miles per hour | 99 |
