120 LIST OF PLATES 



Plate 53. 



Black-headed Gull. 

 Great Black-headed Gull 

 (Astrakhan, Henke). 

 Adriatic Gull. 



Plate 54. 



Little Gull 

 (Kassarien River, Esthonia, May 29, 1873, Russow). 



Bonaparte's Gull 

 (Anderson River, June 18, 1863, MacFarlane). 



Sabine's Gull 

 (St. Michael's, Alaska, June 13, 1880, Nelson). 



Plate 55. 



Richardson's Skua. 

 Great Skua. 

 Buffon's Skua. 

 Pomarine Skua 



(Greenland, Governor Fencker, Coll. Smithsonian 

 Institution). 



Plate 56. 



Fulmar. 



Great Shearwater 



(This figure is taken from Brewer's description of an 

 egg collected by the Moravians on an island off South 

 Greenland). 



Stormy Petrel. 

 Bulwer's Petrel 

 (Deserta Islands, Dr. Frere). 



Fork-tailed Petrel 

 (Boon, St. Kilda Group, June 10, 1884, Dixon). 



