124 EGGS OF NORTH AMERICAN BIRDS. 



-\- ,75. Breeds in Eastern North America, from Nortfieru New 

 England north to Hudson's Bay, in June. 



627. Warbling Vireo, Vireo gilvus. Eggs, 4 or 5, oval, 

 white, finely spotted and dotted with dark brown and black ; 

 .80 -\- .52 to .55 -j- .75. Nests usually placed in high trees, com- 

 posed of the usual material. Breeds throughout Middle North 

 America north to the fur countries, in June. 



628. Yellow-throated Vireo, Vireo flavifrons. Eggs, S 

 or 4, oval, white, boldly marked with purplish brown spots that 

 show lighter edges; .60 -\- .88 to .65 -j- .95. The lighter edg- 

 ings to the spottings are the chief characteristics. Nests placed 

 in trees at a moderate elevation above the ground, composed 

 of strips of bark, grass, and pine leaves covered with lichens. 

 Breeds in Eastern United States, from the middle districts, 

 northward, in June. 



629. Blue-iieat>ed Vireo, Vireo soUtarius. Eggs, 4 or 5, 

 oval, white, finely and sparsely spotted with reddish and dark 

 brown; .50 -j- .75 to .62 -|- .81. Nests composed of the usual 

 material, and placed in trees. Breeds in Eastern United 

 States, west to the plains, from Massachusetts, where it is 

 rare, north into the British Provinces, in June. 



629a. Cassin's Vireo, Vireo soUtarius cassinii. Eggs, in- 

 distinguishable from those of No. 629. Breeds in Western 

 United States, from the Rocky Mountains to the Pacific. 



629^. Plumbeous Vireo, Vireo soUtarius phmihexis. Eggs, 

 indistinguishable from those of No. 629. Breeds in Western 

 United States, from the eastern base of the Rocky Mountains 

 westward. 



629c. Mountain Vireo, Vireo soUtarius alticola. Eggs, 

 3 and 4, indistinguishable from those of No. 629, and the nests 

 are similar. Breeds in the mountains of North Carolina. 

 Described by Mr. William Brewster in the " Auk " for Janu- 

 ary, 1880. 



630. Black-capped Vireo, Vireo atricapilhis. Eggs, 3 or 

 4, oval, pure white, unspotted ; .50 -(- .65 to .56 -\- .76. Nests 



