BIRDS OF ONTARIO. 75 



GENUS GEOTHLYPIS. 



(*) (677) Kentucky Warbler. 



(Geothlypis formosa.) 



An accidental visitor. One specimen taken by Mr. Robert Elliott 

 near Bryanston, Middlesex, in May, 1898. 



(678) Connecticut Warbler. 



(Geothlypis agilis.) 



A rare summer resident. Mr. W. L. Kells records having found 

 nests near Listowel, and I have seen and watched the birds here in sum- 

 mer, but failed to discover their nesting place. 



Arrives about the twentieth of May ; departs at the end of August. 



(679) Mourning Warbler. 



(Geothlypis Philadelphia.) 



A rather rare summer resident. Breeds throughout its range in the 

 Province. 



Arrives about the twentieth of May ; departs at the end of August. 



(68 1 ) Maryland Warbler. 



(Geothlypis trichas.) 



A common summer resident. Breeds throughout its range in the 

 Province. 



Arrives about the tenth of May ; departs at the end of September. 

 Our form may be referable to G. t. brachydactyla. 



GENUS ICTERIA._ 



(*) (683) Yellow=breasted Chat. 

 (Icteria virens.) 



A very rare summer resident of the south-western part of the Pro- 

 vince. 



GENUS WILSONIA. 



(*) (684) Hooded Warbler. 



(Wilsonia mitrata.) 

 A very rare summer visitor to our southern border. 



(685) Wilson's Warbler. 



(Wilsonia pusilla.) 



A regular migrant in spring and autumn, sometimes occurring in 

 considerable numbers. Breeds in the interior. 



Arrives about the twentieth of May ; departs early in September. 



