EGGS OF NORTH AMERICAN BIRDS. 133 



667. Black-throated Green Warbler, Dendroica virens. 

 Eggs, 4, oval, white, blotched over the entire surface with brown 

 and purple of varying shades ; .50 -|- .70 to .52 -|- .73. Nests 

 placed in high pines or bushes, composed of twigs, grasses, 

 fibrous stems of plants, lined with downy substances. Breeds 

 m Eastern North America west to the plains, from New Eng- 

 land northward to Hudson's Bay, in June. 



668. Townsend's Warbler, Dendroica townsendi. Eggs, 

 4, creamy white, spotted around the larger end with brown, 

 umber, and lilac ; .50 -f- .60 to .51 -|- .61. Nests placed in 

 trees, composed of the hempen fibres of plants, fine twigs, and 

 lichens, lined with soft bark and hair. Breeds in Western 

 North America, from Sitka southward, east to Western 

 Colorado, in June. 



669. Hermit Warbler, Dendroica occidentalis. Eggs, 4, 

 ashy white, spotted and blotched with brown, umber, and 

 lilac; .50 -f- -60 to .51 -j- .61. Nests placed in trees. Breeds 

 in Western United States, from the Rocky Mountains to the 

 Pacific coast, and from Washington Territoiy southward, in 

 June. 



670. Kirtland's Warbler, Dendroica kirtlandi. Eggs 

 and general breeding ground, unknown, although it may occa- 

 sionally nest in Michigan and other States of this region. 



671. Pine Warbler, Dendroica vigorsii. Eggs, 3, 4, or 5, 

 oval, bluish white, finely dotted and blotched with dark pur- 

 plish brown and lilac ; .53 + .70 to .55 -f- .72. The bluish 

 tinting is a characteristic feature. Nests placed in trees, 

 usually pines, composed of bark, leaves, etc., lined with feath- 

 ers and hair. Breeds in Eastern United States, west to the 

 plainfj, and from Florida north to Ontario and New Brunswick; 

 in March in the Carol inas and southward, in May in ilassa- 

 chusetts, also on tlie Bahamas. 



672. Palm Warbler, Dendroica palmarum. Eggs, 4, oval, 

 creamy white, spotted and blotched, usually about the larger 

 end, with purple, lilac, and reddish brown. The reddish and 



