EGGS OF NORTH AMERICAN BIRDS. 1 31 



lined with l>Iack liorse-hair and rootlets. Breeds in Eastern 

 North America, from Northern New England, Northern New 

 York, and Northern Michigan, to Hudson's Bay ten-itory, in 

 June. 



658. Cerulean Warbler, Dendroica ccerulea. Eggs, 3 or 4, 

 varying from bluish to creamy white, thickly blotched, chieiiy 

 on the larger end, with reddish brown ; .45 -|- .60 to .53 -j- .69. 

 Nests placed in low trees, composed of dried grasses and strips 

 of bark. Breeds in Eastern United States, from Central New 

 York and the Alleghanies west to the plauis, and from South- 

 ern Canada southward, in June. 



659. Chestnut-sided Warbler, Dendroica pennsylvanica. 

 Eggs, usually 4, sometimes 3, rarely 5, oval, white, spotted 

 and blotched, usually about the larger end, with varying shades 

 of brown and lilac ; .46 -\- .63 to .49 -|- .65. Distinguished 

 from No. 613 by the white color. Nests placed in bushes, 

 comi)oscd of hempen fibres of plants, fern, moss, etc. Breeds 

 in Eastern United States and Soiithern Canada west to the 

 plains, and south to Central Illinois, and along the mountain 

 ranges farther south, in June. 



660. Bay-breasted Warbler, Dendroica castanea. Eggs, 

 4 to 6, oval, bluish green, spotted and blotched, usually in a 

 ring around the larger end, with reddish brown and lilac; 

 .50 -f- .65 to .53 -f- .71. The eggs of this and No. 661 are 

 distinguished by the large size. Nests placed in large trees, 

 composed of twigs and moss, lined with moss, rootlets, and 

 hair. Breeds in Eastern North America, from Northern New 

 England and Northern Michigan, north to Hudson's Baj-, in 

 June. 



661. Black-poll Warbler. Eggs, 3, 4, or 5, rarely 6, 

 oval, white, blotched and dotted profusely vvith purple, brown, 

 and lavender ; .50 -\- .72 to .52 -{- .74. Nests placed in bushes, 

 or rarely on the ground, composed of twigs and rootlets, lined 

 with fine grass and straw. Breeds in Eastern North Amerlc:'., 

 from Northern New England, Grand Manan, north to Green- 

 land and the Barren Ground, in June. 



