BIRDS OF ONTARIO. 49 
Arrives about the middle of May, departs in September. 
Suspcenus LANIVIREO. 
246. Yellow-throated Vireo 
(Vireo flavifrons.) 
An uncommon summer resident, breeds throughout its range in 
the Province. 
Arrives about the beginning of May, departs early in September. 
247. Blue headed Vireo (Solitary Vireo) 
(Vireo solitarius. ) 
A regular migrant in spring and autumn, probably breeds in the 
interior of the Province. 
Arrives early in May, departs at the end of September. 
SuscENus VIREO. 
248. White-eyed Vireo. 
(Vireo noveboracensis. ) 
Mr. W. L. Kells has recorded the capture of one specimen near 
Listowell, in the middle of October, 1890. 
Famity MNIOTILTIDA. Woop WaRBLERS. 
Genus MNIOTILTA. 
249 Black and White Warbler. 
(Mniotilta varia.) 
A very common summer resident, breeding throughout its range 
in the Province. 
Arrives about the first of May, departs early in September. 
Genus PROTONOTARIA. 
*£50 Prothonotary Warbler. 
(Protonotaria citrea.) 
Mr. Mcllwraith has recorded the capture of one specimen near 
Hamilton, in May, 1888, which is all I have heard of. 
GENUS HELMINTHOPHILA. 
251 Golden-winged Warbler. 
(Helminthophila chrysoptera). 
A rare summer visitor, recorded from several places in the southern 
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