Io8 BIRDS OF MASSACHUSETTS 



April 13 to May 24; Summer; August 23 to November 26; 

 Winter. 



Amherst :" Abundant migrant." Berkshire: "Extremely abundant 

 during migrations, a few .... breed.' 1 Bristol County: "Abundant 

 transient and common winter visitant." Brookline : " Abundant mi- 

 grant and rare winter resident." Cambridge : Abundant transient 

 visitant; a few winter. Cohasset : " Numerous, September to May." 

 Dedharn : " Common migrant, a few winter." Essex County : " Com- 

 mon in spring and autumn. Rare in winter." Ipswich : " Common tran- 

 sient visitant. Winter." Martha's Vineyard: "Common migrant and 

 winter resident." Springfield: "An abundant spring and autumn mi- 

 grant, without doubt bred in 1900.'' Templeton : "Abundant during 

 migrations." Wellesley : " Abundant migrant." 



295. Dendroeca cserulescens (Gmel.). BLACK-THROATED 

 BLUE WARBLER. 



A not uncommon spring and autumn migrant, and in the 

 higher portions of the State a common summer resident. 



May 5 to October n (November 19). 



Amherst: "Common migrant." Berkshire: "Common summer res- 

 ident." Bristol County : "Rather common transient visitant." Brook- 

 line : " Common migrant." Cambridge : Rather common transient 

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

 Ipswich: "Uncommon transient visitant." Springfield: "Common 

 spring and autumn migrant ; it is an abundant summer resident on the 

 slope of the mountains just west of Westfield." Templeton : " Not very 

 common migrant." [June 17 at Winchendon. Brewster. 1 ] Wellesley: 

 " Rather common migrant." 



296, Dendroeca sestiva (Gmel.). YELLOW WARBLER. 

 An abundant summer resident. 



April 23 to September 30. 



Amherst: " Common summer resident." Berkshire : " Summer resi- 

 dent." Common. Bristol County : " Very common summer resident." 

 Brookline: " Abundant summer resident." Cambridge: Abundant sum- 

 mer resident. Cohasset: "Numerous in summer." Dedham: "Abun- 

 dant." Essex County: "Summer visitant. Common." Ipswich. 

 "Abundant summer resident." Martha's Vineyard: "Uncommon 

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

 ton: "Common summer resident." Wellesley: "Common summer 

 resident." 



1 Brewster ; Minot's Land & Game Birds, 2nd ed., 1895, p. 118. 



