lOO Birds of Massachusetts 



271. Setophaga ruticiUa (Linn.). American Redstart. 

 A very common summer resident. 



(April 13) April 23 to October 2. 



Amherst : " Abundant migrant " [and summer resident]. Berkshire : 

 '' Common summer resident." Bristol County : "Common summer res- 

 ident." Brookline : " Abundant summer resident." Cambridge : Very 

 common summer resident. Cohasset : " Abundant in summer." Ded- 

 ham: "Common." Essex County: "Summer visitant. Common.'' 

 Ipswich: "Common summer resident." Martha's Vineyard :" Common 

 summer resident." Springfield: "Common summer resident." Tem- 

 pleton : "Common summer resident." Wellesley : "Common, but 

 somewhat local summer resident." 



272. Wilsonia canadensis (Linn.). Canadian Warbler. 

 A common spring and autumn migrant. In Berkshire County 



and in' central portions of the State it is a common summer 

 resident, elsewhere in Massachusetts it occurs in summer only 

 locally in damp, thick, generally evergreen woods. 



May II to September 26. 



Amherst :" Not uncommon migrant." Berkshire: "Common sum- 

 mer resident." Bristol County : " Uncommon transient visitant, and 

 rare summerresident." Brookline: " Common migrant and rare local sum- 

 mer resident." Cambridge : Common transient visitant. Cohasset : 

 " Sometimes very common in spring." Dedham : " Common migrant 

 and has been found breeding." Essex County: Summer visitant. Rath- 

 er rare." Ipswich: "Not common transient visitant." Springfield: 

 " Common spring and autumn migrant, a few may breed." Templeton : 



"Summerresident. Rare." Wellesley: "Rather scarce migrant and 



rare summer resident." 



273. Wilsonia pusillus (Wils.). Wilson's Warbler. 

 A not uncommon spring and autumn migrant. 



May 7 to May 29; 'August 23 to September 27 (November 

 2-2o).i 



Amherst: " Rare and irregular migrant." Berkshire: " Fairly common 

 transient visitant." Bristol County : " Uncommon transient visitant." 

 Brookline : " Uncommon' migrant." Cambridge : Common transient 

 visitant. Dedham: " Rather rare migrant." Essex County: "Rare." 

 Springfield: "Rare spring and autumn migrant." Templeton: " Com- 

 mon migrant." Wellesley: " Scarce migrant." 



1 Hoffmann ; Auk, Vol. XVI, No. 2, Apr., 1900, p. 196. 



