XX A HISTORY OF BIRDS 



facing page 



Nest op the Herring Gull '9^ 



From a Photograph by Mr. A. R. Bishop. 



A Primitive Nest (Nest of the Ringed Plover) 191 



From a Photograph by Major Trevelyan. 



Emperor Penguin Brooding its Young 216 



From a Drawing by Dr. A. E. Wilson. 



Lapwing Settling Down on its Eggs - 225 



From a Photograph by the Rev. H. N. Bonar. 



White-Throat Feeding its Young 225 



From a Photograph by Miss E, L. Turner. 



Meadow Pipit Removing Excreta from its Nest - 229 



A Breeding Colony of Gannets - 24^ 



From a Photograph by Messrs. Valentine & Co. 



A Nesting Colony of the White or Molly-mauk (Diomedea 



iMMUTABiLis) Albatross - 249 



From The Avifauna of Laysan. By permission of the Hon. Walter Rothschild. 



Nestlings of Pigeon and Fledgling Barn Owl (from Photographs 

 by Reid, Wishaw), and of Nestling Cape Barren or Cereopsis 

 Goose . 254 



From Specimen in the British Museum of Natural History. 



A Nestling Cassowary and a Nestling Emu 258 



From Specimens in the British Museum. 



Mesoptyle Feathers of Tawny and Barn Owls 270 



By permission of the Editors of British Birds. 



Shoulder-girdle and Sternum of the Hoatzin 313 



From Specimens in the British Museum of Natural History. 



A Factor in the Struggle for Existence (Peregrine) 318 



From a drawing by G. E. Lodge. (Falcon Attacking a Rook.) 



Artificial Selection as Illustrated by Pigeons . 336 



Artificial Selection as Illustrated by Varieties of the Common 



Fowl (Red Cochin and Brown Leghorn) - 3^0 



From Photographs by Reid, Wishaw. 



The Amherst Pheasant in Display 

 From a Fainting by G. E. Lodge. 



The Grasshopper Warbler in Display 



From The British Warblers. By permission of the Author. 



The Kagu in Display 



From a Photograph in the British Museum. 



344 

 347 

 353 



