LIST OF MAPS 



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 ... 98 



