LIST OF ILLUSTRATIONS 
COLOURED PLATES 
LONG-TAILED DUCK— ADULT MALE AND FEMALE (Winter) . . . Frontispiece 
By A. Thorburn. Reproduced by Albert Frisch, Berlin 
FACE PAGE 
EGGS OF BRITISH DIVING DUCKS xvi 
By H. Gronvold. Reproduced by Andr^ & Sleigh, Ltd., Bushey 
YOUNG OF BRITISH DIVING DUCKS ... ..... 2 
By H. Gronvold. Reproduced by Andre & Sleigh, Ltd. 
RED-CRESTED POCHARD— ADULT MALE AND FEMALE ...... 6 
By A. Thorburn. Reproduced by Albert Frisch, Berlin 
RED-CRESTED AND COMMON POCHARD— ADULT MALES IN ECLIPSE . y 
By O. Murray Dixon. Reproduced by Andre & Sleigh, Ltd. 
12 
FERRUGINOUS AND TUFTED DUCKS— ADULT MALES IN ECLIPSE 
By O. Murray Dixon. Reproduced by Andre & Sleigh, Ltd. 
COMMON POCHARD— ADULT MALE AND FEMALE . . . . . . 14 
By A. Thorburn. Reproduced by Albert Frisch, Berlin 
PLUMAGES OF THE COMMON POCHARD (Skins) ....... 24 
Reproduced by Andre & Sleigh, Ltd. 
FERRUGINOUS DUCK— ADULT MALE AND FEMALE 30 
By A. Thorburn. Reproduced by Albert Frisch, Berlin 
TUFTED DUCK— ADULT MALE AND FEMALE (Breeding Plumage) ... 46 
By A. Thorburn. Reproduced by Albert Frisch, Berlin 
PLUMAGES OF THE TUFTED DUCK (Skins) 48 
Reproduced by Andre & Sleigh, Ltd. 
xiii 
