106 BirDs OF MASSACHUSETTS 
(April 15) May 8 to June 14; September 4 to November 4. 
Amherst: ‘‘Uncommon migrant.’ Berkshire: “ Common transient 
visitant.”. Young seen at North Adams in August.’ Bristol County : 
‘“Common transient visitant in spring, abundant in fall.’ Brookline: 
“Common spring and abundant fall migrant.’ Cambridge: Abundant 
transient visitant. Cohasset: ‘Common migrant.” Dedham: *“ Com- 
mon migrant.” Essex County: ‘*Common.” Ipswich: ‘‘ Abundant tran- 
sient visitant.” Martha’s Vineyard : “Common fall migrant.’’ Spring- 
field: ‘Common spring andautumn migrant.’’? Templeton: ‘‘ Common 
migrant.” Wellesley: ‘‘ Abundant migrant.” 
> 
290. Dendroeca castanea (Wils.). Bay-BREASTED WARBLER. 
A spring and autumn migrant, varying greatly in numbers in 
different seasons. 
May 10 to May 26 (June 19) ; (July 2) September 7 to Octo- 
ber 8. . 
Amherst: “Rare and irregular migrant.” Berkshire: ‘‘ Rare spring 
and autumn migrant.’ Bristol County: “ Rather rare transient visitant.”’ 
Brookline: ‘Rare migrant.’’ Cambridge: Rather rare transient visitor. 
Dedham: ‘Rare migrant.’’ Essex County: ‘Rare.’ Martha’s Vine- 
yard: “ Transient.” Springfield: “Usually rather rare spring and autumn 
migrant, occasionally common.” Templeton: “ Rare migrant.” Welles- 
ley : ‘‘ Rather rare migrant.” 
291. Dendroeca pennsilvanica (Linn.). CHESTNUT-SIDED 
WARBLER. 
An abundant spring and autumn migrant, and common summer 
resident. 
May 1 to September 20. 
Amherst: “Common migrant, not rare in summer.’ Berkshire: 
“ Abundant summer resident.” Bristol County: “ Commhon summer 
resident.” Brookline: “Common summer resident and abundant mi- 
grant.’ Cambridge: Commonsummer resident. Cohasset: ‘‘ Numer- 
ous in summer.” Dedham: “ Very common.” Essex County: ‘“‘ Summer 
‘visitant. Rather common.” Ipswich: ‘‘ Not common summer resident.” 
Ipswich: “ Not common summer resident.” Springfield: ‘* Abundant 
summer resident.”” Templeton: ‘‘ Fairly common summer resident.’’ 
Wellesley: “ Very common in spring migrations, less common summer 
resident.” 
292. Dendroeca rara Wils. C#RULEAN WARBLER. 
Accidental from the south. Although W. A. Stearns recorded 
1 Brewer; Bull. Nutt. Orn. Club, Vol. III, No. 3, July, 1878, p. 139. 
