. The birds of Illinois and Wisconsin . the ear coverts, chestnut;forehead, black, with a whitish spot in centre, shading into an ashy strip through the middle of thecrown; a whitish streak in frontof and below the eye; a buffywhite stripe behind the eye,extending to the neck; throat,white, with a black line on eachside; back, grayish, streaked withblack; a black spot on the middleof the breast; rest of under parts,white, faintly tinged with brown-ish gray; wings, brown; middle tailfeathers, dark brown like theLark Sparrow. wiugs, the othcrs black, tipped with white; the outer tail feathers, w
. The birds of Illinois and Wisconsin . the ear coverts, chestnut;forehead, black, with a whitish spot in centre, shading into an ashy strip through the middle of thecrown; a whitish streak in frontof and below the eye; a buffywhite stripe behind the eye,extending to the neck; throat,white, with a black line on eachside; back, grayish, streaked withblack; a black spot on the middleof the breast; rest of under parts,white, faintly tinged with brown-ish gray; wings, brown; middle tailfeathers, dark brown like theLark Sparrow. wiugs, the othcrs black, tipped with white; the outer tail feathers, white for at least three-fourthsof an inch from the tip, the extent of the white marking decreas-ing on each succeeding feather. Length, ; wing, ; tail, ; bill, .40. This melodious songster is a more or less common summer residentin Illinois and Wisconsin, being more numerous in the western thanin the eastern parts of both states and apparently of rather localdistribution. It arrives from the south in Aoril. It is one of our. 59° Field Museum of Natural History — Zoology, Vol. IX. most delightful songsters, the notes being strikingly clear and melo-dious. As Mr. Ridgway describes it This song is composed of aseries of chants, each syllable rich, loud, and clear, interspersed withemotional trills. It breeds in May and June. The nest is built on the ground or inlow trees or bushes, and is composed chiefly of dried grass. The eggsare 3 to 5, white or faintly bluish white, marked, speckled and linedchiefly at the larger end with black and dark brown; size about .70 inches. The Field Museum collection contains the following sets of eggsof this species taken in northern Illinois: 4 eggs, Joliet, May 21,1906; 5 eggs, Chicago, May 20, 1905; 4 eggs, Chicago, May 20, 1905. Genus ZONOTRICHIA Swainson. 255. Zonotrichia querula (Nutt.). Harriss Sparrow. Distr.: Middle United States, from Illinois, Missouri, and Iowa,west to middle Kansas, the Dakotas, and plains east of t
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