108 EGGS OF NORTH AMERICAN BIRDS. 



552a. Western Lark Sparrow, Chondestes grammacus 

 strigatus. Eggs, indistinguishable from those of No. 552, and 

 the nests and nesting habits are similar. Breeds in Western 

 United States from the plains to the Pacific coast, south into 

 Mexico. 



553. Harris's Sparrow, Zonotrachia querula. Eggs, well 

 authenticated, are unknown. Breeds in Middle United States 

 and northward from the Red River of the North southward. 



554. White-crownei) Sparrow, Zonotrachia leucophrys. 

 Eggs, 4 or 5, oblong oval, greenish white, thickly spotted with 

 reddish and purplish brown ; .70 -|- .90 to .75 -\- .95. Nests 

 placed on the ground, composed of grass and moss, lined with 

 hair. Breeds in the Rocky Mountains and Sierra Nevada, 

 northward and northeast to Labrador, in June. 



555. Intermediate Sparrow, Zonotrachia intermedia. 

 Eggs, indistinguishable from those of No. 554, and the nests 

 and nesting habits are similar. Breeds in Western North 

 America, from the Rocky Mountains to the Pacific, north of 

 the United States, in June. 



556. Gambell's Sparrow, Zonotrachia gamhelli. Eggs, 

 indistinguishable from those of No. 554, and the nests and 

 nesting habits are similar. Breeds in the Pacific coast region, 

 from Oregon southward, in June. 



557. Golden-crowned Sparrow, Zonotrachia coronata. 

 Eggs, 4 or 5, rounded oval, pale green, spotted and blotched 

 with reddish brown ; .64 -|- .80 to .67 -|- .82. Nests placed 

 on the ground, composed of grass, leaves, and weeds, lined 

 with rootlets. Breeds in the northern Pacific coast region, in 

 June. 



558. White-throated Sparrow, Zonotrachia alhicollis. 

 Eggs, 4 or 5, rounded oval, bluish white, spotted, blotched, 

 and dotted with reddish brown and lilac ; .60 -f- .80 to .65 -f- 

 .90. Nests placed on the ground, composed of grass, roots, 

 and leaves, lined with horse-hair and grass. Breeds in Eastern 

 North America, from Northern Michigan, Northern New York, 



