MASS., ETC. 63 



weeks of April and the early part of May they frequent 

 open fields, obtaining much of their food from the ground, 

 associating with D. palmarum, and at this time closely re- 

 sembling it in habits. A little later they retire to the pine 

 forests, where they almost exclusively remain during sum- 

 mer, keeping mostly in the tops of the taller trees. Dur- 

 ing a few weeks, about October first, they again come 

 about the orchards and fields. 



71. Dendroica pennsylvanica^iii^. Chestnut-sided War- 

 bler. Common. Arrives about May 9th, and many spend 

 the summer and breed. Mostly frequents, in the breeding 

 season, low woods and swampy thickets, nesting in bushes, 

 and is not generally found much in high trees. Leaves 

 early in September. 



72. Dendroica striata Baird. Black-poll Warbler. A- 

 bundant spring and autumn visitant. Arrives the latest 

 of the Warblers in spring, seldom being seen before May 

 20th, and remains till June 1st. None breed. In fall be- 

 comes common the latter part of September, and remains 

 till the last of October. 



73. Dendroica cestiva Baird. Yellow Warbler. Sum- 

 mer Yellow Bird. Abundant summer visitant, arriving 

 early in May, and breeds in great numbers among the wil- 

 lows of river meadows, and among the fruit and ornamen- 

 tal trees of the city. Does not frequent the woods, and in 

 many localities is rare, except in May, seeming to prefer 

 the vicinity of water courses and alluvial meadows. 



74. Dendroica maculosa Baird. Black and Yellow War- 

 bler. Spotted Warbler. Common spring and autumn vis- 

 itant. Seen in spring from May 15th to June 1st, and in 

 autumn as late as September 20th. Does not breed here. 



75. Dendroica tigrina Baird. Cape May Warbler. Very 

 rare. Took a single male May 15th, 1863. Has been 

 taken at East Windsor Hill, Conn., by Dr. W. Wood. 



76. Dendroica palmarum Baird. Yellow Red-poll 

 Warbler. Common in spring from the first or second 

 week of April to the middle of May, frequenting, in com- 

 pany with D. pinus, the edges of thickets, orchards, and 

 open fields, and is much on the ground. Is not seen in 

 summer, but becomes common again the last week of Sep- 

 tember, and is seen throughout October, -and sometimes 



