PASSERES—M NIOTILTIDA. 191 
the woods, and have been found only in rather damp places 
in Lorain county. They are usually silent while here. 
The individuals recorded at Oberlin have been among 
the latest arrivals—between the 10th and 15th of May. 
They remain but a week or ten days and then pass north- 
ward, returning early in August. 
268. (681d.) GEOTHLYPIS TRICHAS BRACHIDACTYLA 
(Swain). 60. 
Northern Yellow-throat. 
Synonyms: Geothlypis trichas, Sylvia trichas, Trichas mary- 
landica, Turdus trichas. 
Yellow-throated Ground Warbler, Ground Warbier, Black- 
masked Ground Warbler, Black-cheeked Ground Warbler, 
Black-necked Yellow-throat, Briar Wren, Yellow Briar 
Wren, Maryland Yellow-throat. 
Kirtland, Ohio Geol. Surv., 1838, 163, 182. 
This little brush warbler is everywhere common, and lo- 
cally abundant in Ohio. It will be found in the brushy 
woods, weed-grown! swales, or sloughs, in second-growth 
slashings, or in the fringe of brush surrounding high woods. 
In general it prefers damp situations, but may nest almost 
anywhere if the conditions are suitable for a nest. No doubt 
there are places in the hilly south-eastern parts of the state 
where this bird is rare if present, because the conditions 
which entice him are wanting. 
The Northern Yellow-throat reaches Ohio during the 
last week in April and is soon common even to the northern 
counties. It sings during its entire stay, leaving the state 
early in October. 
269. (683.) IcrERIA virens (Linn.). 61. 
Yellow-breasted Chat. 
Synonyms: Icteria viridis, Turdus virens, Muscicapa viridis. 
Yellow Mockingbird. 
Audubon, Orn. Biog., IT, 1834, 223. 
This large unwarbler-like warbler is far more common 
in the southern counties than at the lake shore. Appar- 
ently the gradation is a nearly uniform one from the Ohio 
