Catalogue of the Birds of Illinois. 
175 
47. D. castanea (Wils.) Baird. Bay-breasted Warbler. Transient. 
3 48. D. striata (Forst.) Baird. Black-poll Warbler. Transient. 
j2 49. D. blacTcbiirnice (Gmel.) Baird. Blackburnian Warbler. Transient. 
*50. D. dominica albilora, Baird. White-browed Yellow- throated Warbler. 
Summer sojourner; abundant, locally, southward, where frequenting chiefly the 
banks of streams in heavily wooded districts. 
*51. D. virens (Gmel.) Baird. Black- throated Green Warbler. Transient, 
a few breeding in extreme northern portion {fide Nelson). 
*52. D.pinus (Wils.) Baird. Creeping Pine Warbler. Summer sojourner; 
in the southern counties breeds in woods of deciduous trees, and occasionally 
winters. 
58. D. palmar am (Gmel.) Baird. Red-poll Warbler. Transient. Some- 
times wintering southward. 
*54. D. discolor (Vieill.) Baird. Prairie Warbler. Summer sojourner. 
One of the least common species, frequenting chiefly the oak “barrens, ” or other 
localities covered with a stunted growth. 
Genus Siurus, Swainson. 
/ *55. S. aurocapillus (Linn.) Swains. Golden-crown Thrush. Summer 
sojourner. 
*56. S. ncevius (Bodd.) Coues. Small-billed Water Thrush; “Water Wag- 
tail.” Transient; sometimes wintering in southern counties, and breeding 
sparingly in extreme northern counties ( fide Nelson.) 
*57. S.motacilla ("Vieill. ) Coues. Large-billed Water Thrush; “Water 
Wagtail.” Summer sojourner; abundant southward, rare northward. 
Genus Oporornis, Baird. 
58. 0. agilis (Wilson) Baird. Connecticut Warbler. Transient. 
*59. 0. formosa (Wilson) Baird. Kentucky Warbler. Summer sojourner; 
very abundant southward. 
Genus Geothlypis, Cabanis. 
*60. Gr. Philadelphia (Wilson) Baird. Mourning Warbler. Chiefly tran- 
sient, but a rare summer sojourner in certain localities, even south of the paral- 
lel of 39°. Commonest in migrations, however, and breeding very sparingly. 
2- *61. 6r. trichas (Linn.) Caban. Maryland Yellow-throat. Summer sojourner. 
An abundant, familiar, and generally diffused species, partial to thickets 
and brier-patches. 
Genus Icteria, Vieillot. 
62. I. virens (Linn.) Baird. Yellow-breasted Chat. Summer sojourner; 
rare northward. Usually a companion of the preceding, and distinguished for 
oddity and variety of its notes; hence, sometimes called “ Yellow Mockingbird.” 
Genus Myiodioctes, Audubon. 
*63. M. mitratus (Gmel.) Aud. Hooded Warbler. Summer sojourner; 
rare northward. 
64. M. pusillus (Wilson) Bp. Black-capped Yellow Warbler. Transient. 
*65. M. can adensis (Linn.) Aud. Canadian Fly- catching Warbler. Tran- 
sient, except in extreme northern portion, where breeding. 
