. The birds of Illinois and Wisconsin . m the Gulf states to southern New England, southernMichigan and Iowa; winters in the W^est Indies, eastern Mexico, andCentral America to Panama. ■Adult male and female in spring: Crown and sides of head, black,extending in a streak on sides of throat; a yellow superciliary stripe; upper parts, wings and tail, olivegreen; under parts, clear bright yellow,shading to olive on sides; no white onwings or tail. Adults in fall and winter: Similar,but black feathers on the crown edgedwith grayish in fall: Similar, but the black markings replaced b
. The birds of Illinois and Wisconsin . m the Gulf states to southern New England, southernMichigan and Iowa; winters in the W^est Indies, eastern Mexico, andCentral America to Panama. ■Adult male and female in spring: Crown and sides of head, black,extending in a streak on sides of throat; a yellow superciliary stripe; upper parts, wings and tail, olivegreen; under parts, clear bright yellow,shading to olive on sides; no white onwings or tail. Adults in fall and winter: Similar,but black feathers on the crown edgedwith grayish in fall: Similar, but the black markings replaced bydusky or entirely absent. Length, ; wing, ; tail, 2; bill, .38. A common summer resident in southern Illinois, but rare innorthern Illinois and southern Wisconsin. Mr. Isaac E. Hess informs me he has taken several sets of eggs ofthis species in Putnam amd Champaign Counties, Illinois. Mr. H. took 4 specimens and observed several others of both sexesat Joliet, Illinois, between May 13 and 29, 1907. Dr. Joseph L. Han-. Jan., 1909. Birds of Illinois and Wisconsin — Cory. 669 cock took a female near Grand Crossing, Chicago, on May 23, 1887.(The Auk, 1888, p. 210.) Mr. Frank M. Woodruff records a specimentaken by Mr. George Klingman at Bryn Mawr, Chicago, during thefirst week in May, 1892 (Birds of the Chicago Area, 1907, p. 173), andthere are other records. In Wisconsin Dr. Hoy shot one near Racine May, 10, 1851.(Proc. PhiL Acad. Sci., 1853, p. 311) and according to Kumlien andHollister, there are six other records for the state, all taken at LakeKoshkonong in spring (Birds of Wisconsin, 1903, p. 117). The nest is large, built on the ground in woods and is composed ofleaves, small twigs, etc. The eggs are 4 to 5, white, speckled andmarked with rufous and umber brown, and measure about .73 x .57inches. 330. Oporornis agilis (Wils.).Connecticut Warbler. Geotlilypis agilis (Wils.), A. O. U. Check List, 1895, p. 282. Distr.: Eastern United States and British Provi
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