EXPLAMTION OP PLATES. 



haijtone plates. 



Plate 1. 



Egg of great auk In the collection of Col. John B. Thayer, Lancaster, Massachu- 

 setts, formerly in the collection of Sir William Milner, Nunappleton, York- 

 shire, England, and purchased by him in 1847 from M. Perrot, a dealer in 

 Paris, a photograph presented by Col. J. E. Thayer. 



Plate i. 



Upper: Nesting site of western grebe near Crane Lake, Saskatchewan, June 



8, 1905, referred to on page 3. 

 Lower : Nest and eggs in the above locality. 



Plate 3. 



Upper : Nest and large set of eggs of western grebe, referred to on page 5. 

 Lower : Young western grebe recently hatched, a photograph presented by Mr. 

 William L. Finley. 



Plate 4. 



Upper : Nesting site of Holboell's grebe. Lake Winnlpegosis, Manitoba, June 11, 



1913, referred to on page 10. 

 Lower : Nest and eggs in the above locality. 



, Plate 5. 



Upper : Another nest and eggs In the same locality. 



Lower : Holboell's grebe on its nest, a photograph purchased from Mr. S. S. S. 

 Stansell. 



Plate 6. 



Upper: Nesting site of the horned grebe, Crane Lake, Saskatchewan, June 7, 



1905. 

 Lower : Another nest in the same locality. Both referred to on page 21. 



Plate 7. 



Upper: Distant view of horned grebe's nest, eggs covered, Magdalen Islands, 



June 22, 1904, referred to on page 21. 

 Lower : Horned grebe on its nest, published by courtesy of Bird-Lore. 



Plate 8. 



Upper : Nesting colony of eared grebes. Dry Lake, North Dakota, June 26, 1901, 



a photograph presented by Mr. Herbert K. Job. 

 Lower: Nest and eggs of eared grebe in Franklin Gull colony. Lake of the 



Narrows, Saskatchewan, June 12, 1905, referred to on page 29. 



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