EGGS OF NORTH AMERICAN BIRDS. 18 



ORDER III.— TUBIN ARES. Tube-nosed Swimmers. 



Birds of this order invariably breed on islands, usually re- 

 mote from the mainland. 



Eggs, white, and seldom spotted. 



Family VI. — DIOMEDEID^. Albatrosses. 



Large birds, which seldom, if ever, approach the shore of the 

 mainland, keeping well out at sea. 



81. Black-footed Albatross, Diomedea nigripes. Eggs, 

 unknown. Occurs in North Pacific, on the west coast of North 

 America. 



82. Short-tailed Albatross, Diomedea albatrus. Eggs, 

 1, oval, with the ends rounded, dull white ; 2.50 -|- 3.95 to 2.60 

 -j- 4.00. Breeds on the Pacific islands. Occurs in the Pacific 

 Ocean, northward, to Bering's Strait, including the Western 

 coast of America. 



83. Yellow-nosed Albatross, TJialassogeron culminatus. 

 Eggs, unknown. Breeds in the Indian and South Pacific 

 Oceans. Casual off the coast of Oregon. 



84. Sooty Albatross, Phoebetria fuliginosa. Eggs, 1, 

 white, spotted on one end ; shell thin and smooth ; 3.95 -j- 

 2.60 to 3.95 -{- 2.64. Breeds in the Southern Ocean, in Novem- 

 ber, in caves. Occurs in the oceans of the Southern Hemis- 

 phere, northward, to the coast of Oregon. 



Family VII. — PROCELLARIIM^. Fulmars and Shear- 

 waters. 



Also birds of the ocean, but rather more often seen near 

 land than the Albatross. Size alone distinguishes their eggs. 



85. Giant Fulmar, Ossifraga gigantea. Eggs, 1, elliptical, 

 dirty white, shell rough; 2.66 -j- 4.25 to 2.70 + 2.30. Breeds 

 and occurs in the Indian Ocean. Casual off the coast of 

 Oregon. 



