BIRDS OF ONTARIO. 49 



Arrives about the middle of May, departs in September. 



Subgenus 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. 



Subgenus 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. 



Family MNIOTILTIDiE. Wood 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 PROTONOTARTA. 



♦L50 Prothoiiotary Warbler. 

 (Protonotaria citrea.) 



Mr. Mcllwraith has recorded the capture of one specimen near 

 Hamilton, in May, 18S8, which is all I have heard of. 



Genus HELMINTHOPHILA. 



251 Gold en- winged Warbler. 



(Helrainthophila clirysoptera). 



A rare summer visitor, recorded from several places in the southern 

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