u8 LIST OF PLATES 



Plate 4O. 



Great Auk 



(Oxford Museum ; formerly in the collection of 

 Sir W. C. Trevelyan). 



Plate 41. 



Great Auk 



(Liverpool Museum ; formerly in the collection of 

 Lord Derby). 



Plate 42. 



Razorbill. 



Plate 43. 



Guillemot. 



Plate 44. 



Guillemot. 



Plate 45. 



Puffin. 

 Little Auk. 

 Black Guillemot. 



Plate 46. 



Common Tern. 

 Lesser Tern. 

 Arctic Tern. 

 Roseate Tern. 



