LIST OF ILLUSTRATIONS. vii. 



Stone-Curlew. {Beproduced direct from a Lumiere page 

 Autochrome plate taken by F. G. Penrose). — 

 Plate 7 facing 265 



Scapular-feathers from Barrow's Goldeneye and the 



Common Goldeneye ... ... ... ... 273 



Frontal bone of Common Goldeneye and Barrow's 



Goldeneye ... ... ... ... ... ... 275 



Edward Adrian Wilson. {Photograph by Thomson.) 



—Plate 8 facing 289 



The Willow- Warbler. (Sketch- Map, showing In- 

 crease, Decrease, and Normal Numbers) ... ... 303 



The Redstart. [Sketch-Map, showing Increase, De- 

 crease, and Normal Numbers) ... ... ... 307 



The Swallow. {Sketch-Map, showing Increase, De- 

 crease, and Normal Numbers) ... ... ... 310 



Henry John Pearson. — Plate 9 facing 325 



Ejected Lining-membranes of the gizzard of Curlews 335 



Abnormal feathers of Magpie-Pigeon 339 



Type of Larus affiiiis Reinhardt, 1853, obtamed in 



Greenland in 1851 {Photogiaphed by G. Herring). 361 



