. The birds of Illinois and Wisconsin . GROUP 2. Wing, to inches long. PART 1. The following species have the breast more or less streaked;carpal joint (bend of wing), edged with yellow: — Bill, dark; sides of head, tawny bufif enclosing a patch of gray behind the eye; heavy tawny buff superciliary stripe. Passerherbulus caudacutus nelsoni. Nelsons Sharp-tailed Sparrow. See No. 253. Bill, pale horn color; sides of head and nape, tinged with olivegreen. Coturniculus henslowii. Henslows Sparrow. See No. 251. PART 2. The following species have the breast more or less streaked;carpal joi
. The birds of Illinois and Wisconsin . GROUP 2. Wing, to inches long. PART 1. The following species have the breast more or less streaked;carpal joint (bend of wing), edged with yellow: — Bill, dark; sides of head, tawny bufif enclosing a patch of gray behind the eye; heavy tawny buff superciliary stripe. Passerherbulus caudacutus nelsoni. Nelsons Sharp-tailed Sparrow. See No. 253. Bill, pale horn color; sides of head and nape, tinged with olivegreen. Coturniculus henslowii. Henslows Sparrow. See No. 251. PART 2. The following species have the breast more or less streaked;carpal joint (bend of wing), not yellow: — Breast, very faintly streaked; middle tail feathers, rufous brown,with black stripe in middle, including the shaft; wing coverts andsecondaries, edged with rufous brown. Melospiza georgiana. Swamp No. 269. Breast, sharply streaked with black; shafts of tail feathers, not black. Melospiza lincolnii. Lincolns Sparrow. See No. PART 3. The following species have the breast not streaked (in theadult*); carpal joint (bend of wing), edged with yellow: — Top of head, black with tawny stripe in center; an orange brownspot over, and somewhat in front of, the eye; bend of wing, yellow. Coturniculus savamiarum Sparrow. Yellow-winged Sparrow. See No. 250. * In several species, very young birds in first plumage have the breast streaked. 194 Field Museum of Natural History — Zoology, Vol. IX. Top of head and back, rufous brown with more or less gray onfeathers; sides, without spots; tail feathers, narrow; tail muchrounded, the outer feathers being half an inch or more shorter than themiddle feathers. Aimophila cBstivalis hachmanii. Bachmans No. 266. PART 4. The following species have the breast not streaked (in theadult); carpal joint (bend of wing), not edged with yellow:-— Wing coverts and secondaries, edged with rufous brown; flanks,brownish olive. Melospiza georgiana. Swamp S
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