This variety is like the last but more yellowish. Their nests are made of a wiry grass compactly woven together and partially suspended to mistletoe twigs growing from cottonwood trees; nests of this type are perfectly distinct from those of the preceding, but when they are made of fibre and attached to yuccas, they cannot be distinguished from nests of the former variety. Their eggs are similar to those of the Hooded Oriole, but generally more strongly marked and usually with some zigzag lines. Size .85 × .60. [Illustration 322: Bluish white.] [Illustration: Hooded Oriole.] [Illustration: White.] [Illustration: deco.] [Illustration: left hand margin.] Page 321 506. ORCHARD ORIOLE. _Icterus spurius._ Range.--United States, east of the Plains, breeding from the Gulf to southern New England, and Canada in the interior. Winters beyond our borders. The adult male of this species is a rich chocolate brown and black, it requiring three years to attain this plumage. They nest commonly about habitations in their range, usually preferring orchard trees for sites. Their nests are skillfully woven baskets of fresh grasses, about as high as wide; they are generally placed in upright forks and well concealed by drooping leaves. They lay from four to six bluish white eggs, spotted and blotched with brown and lavender. Size .80 × .55. Data.--Avery's Island, La., May 10, 1896. Nest of grass, lined with thistledown; semi-pensile in drooping twigs of a willow. Collector, F. A. McIlhenny. 507. BALTIMORE ORIOLE. _Icterus galbula._ Range.--North America, east of the Rockies, breeding from southern United States north to New Brunswick and Saskatchewan. This beautiful and well known eastern Oriole can readily be identified by its orange flame color and entirely black head. Even better known than the birds, are the pensile nests which retain their positions on the swaying drooping branches all through the winter. Although they build in many other trees, elms seem to be their favorites. Their nests are made of plant fibres and frequently string, and often reach a length of about 10 inches and about half that in diameter; they are usually attached to drooping branches by the rim so that they rock to and fro, but are sometimes held more firmly in position by having their side bound to a branch. Their eggs, which are laid in May and June, are white, streaked and lined with blackish brown and grayish. Size .90 × .60. [Illustration: Arizona Hooded Oriole. Orchard Oriole.] [Illustration 323: Bluish white.] [Illustration: Baltimore Oriole.] [Illustration: White.] [Illustration: right hand margin.] Page 322 508. BULLOCK'S ORIOLE. _Icterus bullocki._ Range.--North America, west of the Plains and from British Columbia southward, wintering in Mexico.