128 EGGS OF NORTH AMERICAN BIRDS. 



643. Lucy's Warbler, Helmhithophila hicim. Eggs, 3 or 

 4, oval, white, handsomely wreathed about the larger end with 

 spots of reddish brown and umber, with a few dots scattered 

 over the surface ; .46 -\- .58 to .47 + .60. Nests placed in 

 holes of trees, cavities behind loosened bark, etc., composed of 

 twigs, weed stalks, lined with horse-hair and feathers. Breeds 

 in the valleys of the Colorado and Gila Rivers in Arizona and 

 California, in May. 



644. Virginia's Warbler, Helminthophila mrginiw. Eggs, 

 3 or 4, oval or rounded oval, marked about the larger end 

 with a ring of spots and dots of purplish brown and lilac; 

 .6li -|- .45 to .47 -}- .64. • Nests placed on the ground, com- 

 posed of strips of bark, grasses, and mosses, lined with hair. 

 Breeds in the Rocky Mountain region of the United States, 

 from Colorado, Utah, and Nevada southward, in June. 



645. Nashville Warbler, Helminthophila ruficapilla. 

 Eggs, 3, 4, or 5, oval, white, finely spotted over the entire 

 surface with purplish brown, and these occasionally form a 

 ring around the larger end ; .48 + .56 to .45 -{- -59. Nests 

 placed on the ground, composed of strips of bark, grass, etc. 

 Breeds in Eastern North America, from Massachusetts north 

 to the fur countries, in June. 



645a. Calaveras Warbler, Helminthophila ruficapilla 

 gutturalis. Eggs, probably indistinguishable from those of No. 

 645. Breeds in Western United States, from the Rocky 

 Mountains to the Pacific. 



646. Orange-crowned Warbler, Helminthophila celata. 

 Eggs, 4 to 6, white, spotted and dotted with reddish and 

 purplish brown ; .45 -[- .60 to ,50 -f- .70. Nests placed on the 

 ground, composed of grass, weeds, etc. Breeds in Eastern 

 North America, excepting New England and the Eastern 

 Middle States, north to the Yukon and Mackenzie River 

 district, and southward through the Rocky Mountains, in May 

 and June. 



646a. Lutescent Warbler, Helminthophila celata lutes- 



