THE NATURAL HISTORY SURVEY. 1/7 



southern Wisconsin southward. It breeds from Texas and the 

 Gulf of Mexico northward, and winters in the West Indies, east- 

 ern Mexico and through Central America to Panama. 



Wilsonia pusilla (Wilson). Wilson's Warbler. 



Muscicapa pusilla WrLSON, Amer. Orn., Ill, 1811, 103, pi. 26, fig. 4. 

 Sylvia wilsonii Bonapaete, Joum. Acad. Nat. Sci. Philadelphia, IV, 



1824, 179. 

 Wilsonia pusilla Bonaparte, Geog. and Comp. List, 1838, 23. 

 Sylvania pusilla Ntjttall, Man., ed. 2, I, 1840, 335, part. 

 Myiodioctes pusillus Baibd, Lit. Rec. and Jouin. Linn. Assoc. Fenn. 



Coll., I, Oct., 1845, 252. 

 Popular synonyms: Wilson's Black-cap. Gkeen Black-capped 



Wabblee. Black-capped Yellow Wabbleb. 



Wilson's Warbler is a not uncommon migrant, arriving in the 

 spring during the month of May, and returning in the fall from 

 about the middle of August to the latter part of September. 



The range of the Wilson's Warbler extends over the eastern 

 portion of North America, east of the Great Plains and from 

 Newfoundland, Labrador, the shores of Hudson Bay and Mani- 

 toba southward. It breeds north of the United States and mi- 

 grates in winter through eastern Mexico into Central America. 



Wilsonia canadensis (Linnjeus). Canadian Warbler. 



Muscicapa canadensis LiNNiEUS, S. N., ed. 12, I, 1766, 327. 



Sylvia pardalina Bonapabte, Journ. Acad. Nat. Sci. Philadelphia, IV, 



1824, 179. 

 Myiodioctes canadensis Attdubon, Synop., 1839, 49. 

 Sylvania ionapartii Nuttall, Man., ed. 2, I, 1840, 332. 

 Wilsonia canadensis Ootjes, , Bull. Nutt. Orn. Club, V, April 1880, 95. 

 Sylvania canadensis KroGWAT, Proc. U. S. Mus., VIII, 1885, 354. 

 Popular synonyms : Canada Pltcatcheb or Warblbe. Bonapabte's 



Wabbleb. Canadian Flycatching Warblee. Necklaced 



Wabblee. 



The Canadian Warbler is a not uncommon migrant, arriving 

 from the first to the last of May, and returning in the fall from 

 the middle of August to the middle of September. Mr. E. W. 

 Nelson records* it as a "rare summer resident." 



The range of this species covers North America, east of the 

 Great Plains and from Newfoundland and southern Labrador and 

 Manitoba southward. It breeds from Massachusetts, central 

 New York, northern Michigan and Minnesota northward, and 

 southward in the Alleghany Mountains to North Carolina. It 

 winters southward through eastern Mexico and Central America 

 to northern South America. 



*Birds of Northeastern Illinois, Bull, of the Essex Institute, Vol. VIII, 1876, 101. 



