Catalogue of the Birds of Illinois. 175 



47. D. castanea (Wils.) Baird. Bay-breasted Warbler. Transient. 



48. D. striata (Forst.) Bakd. Black-poll Warbler. Transient. 



49. D. blackbiirniu' (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 ijide Nelson). 



*52. Z). ^jiHHs (Wils.) Baird. Creeping Pine Warbler. Summer sojourner; 

 in the southern counties breeds in woods of deciduous trees, and occasionally 

 winters. 



53. D. palmarum (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 Thi'ush. 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./ormos« (Wilson) Baird. Kentucky Warbler. Summer sojourner; 

 very abundant southward . 



Genus Geothlypis, Cabanis. 



*60. G. j)kiladelphia (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 spaiingly. 



*61. G^. /r/c/jas (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. mitratiis (Gmel.) Aud. Hooded Warbler. Summer sojourner; 

 rare northward . 



64. 3/. ^J!f.si7?!<s (Wilson) Bp. Black-capped Yellow Warbler. Transient. 



*65. iT/. c«»rtcZens/s (Linn.) Aud. Canadian Fly-catching Warbler. Tran- 

 sient, except in extreme northern portion, where breeding. 



