BIRDS OF EAS'ERN MASSACHUSETTS. 105 
35. Dendroeca ccerulescens, Bairp.— Black-throated 
Blue Warbler, Rare during the migrations. Have taken 
it from May 15th to 24th. I have always found it in mixed 
woods. ‘“ Although not generally common, I found it quite 
plentiful during the season of 1869,” * 
36. Dendreeca coronata, Gray. — Yellow-rumped 
Warbler, “ Myrtle-Bird.”” Very abundant during the migra- 
tions. Arrives from April 20th to May 5th. I have seen it 
from April 18th until the 1st of June. Appears about the 
last week of September in great numbers, in straggling, de- 
tached flocks ; remains until November Ist. Perhaps some 
remain during the winter, at which time I have met with 
it in great numbers in Florida. 
37. Dendroeca castanea, Bairp.— Bay-breasted War- 
bler. Exceedingly rare. Possibly breeds, as I have taken 
a male ou June 19, 1867. Arrives from May 17th to 22d. 
I have never met with this species in autumn. (See D. 
striata.) Mr. Brewster says that he has taken it in Wolf- 
boro’, New Hampshire, in May. Frequents the woods every- 
where. 
38. Dendroeeca Blackburniz, Bairp. — Mrs. Black- 
burn’s Warbler, Blackburnian Warbler. Tn some seasons not 
uncommon dnring the migrations, Arrives from May 17th 
to 27th; denarts for the south in September. Found 
everywhere, both in the woods and on apple-trees. 
39. Dendroeca pina, Bairp. — Pine-creeping War- 
bler, Pine Warbler, Common during the migrations. A 
few breed. Arrives from April 9th to 22d; departs in 
Septemher. Found everywhere. 
40. Dendroeca Pennsylvanica, Bairn.— Chestnut- 
sided Warbler. Common simmer resident; breeds com- 
monly. Arrives from May 5th to 19th; departs about the 
second week in September. Found everywhere. 
41. Dendrceeca striata, Bairp. — Black-polled War- 
* Mr. W. Brewster, in MS. 
