644. Vermivora virginiæ. 4¼ inches.
Range.—Rocky Mountains, from Colorado to Arizona, and winters in Mexico. They are much like the last, but have a patch of yellow on the rump and breast. Their nest on the ground, beside some rock or stump, is made of shreds of vines and grass. Three or four white eggs, specked and wreathed with brown (.62 × .50).
CALAVERAS WARBLER.
645a. Vermivora rubricapilla gutturalis. 4½ inches.
Found in the Pacific coast regions, breeding from central California north to British Columbia. Winters south to Mexico. In Oregon and California, these birds are quite common in favorable localities on the mountain sides. They build their nest on the ground in a slight depression, making it of twigs and grasses, and usually well concealed with overhanging grass or brush. Their four eggs are a creamy white, with fine spots of brown and lavender, forming a wreath about the larger end (.60 × .45).
ORANGE-CROWNED WARBLER.
646. Vermivora celata. 4½ inches.
Range.—Central North America, breeding in the Rockies locally, from Alaska to Mexico. Crown with a concealed, dull orange patch. Nesting habits and eggs same as above (not illustrated).