BIRDS OP DURHAM AND VICINITY. 
89 
of May. In autumn it remains well into September, and in one in- 
stance I have seen it on the thirtieth of that month. Though it shows 
a marked preference for pine woods, its nest is sometimes found quite 
away from them. I have a nest that was built in an apple tree, and 
Mr. Shaw tells of one which he found at Hampton in a barberry bush. 
The song of this warbler is always of the same character, yet subject 
to more or less variation. It is a familiar .-»ound to everybody accus- 
tomed to roaming atield in the springtime. 
Dendroica vigorsii. Pine Warbler. 671. 
Pine Warblers begin to appear in spring as early as the fifteenth of 
April, thus being second on the list of warbleis taken in the order of 
their coming, the Myrtle Warbler being first. For the first few weeks 
after its arrival it may be seen in all sorts of trees, in all sorts of 
situations : but after the weather has become warm, it retires to the 
pines for the summer. It is frequently given to searching the crevices 
in the bark of trees, and then falls into the manner of the Black and 
White Creeper. Its dull color and quiet ways render it one of our most 
inconspicuous warblers, while its song, which can hardly be told from 
a Chipping Sparrow, will not disclose it to one not already acquainted 
with it. It is a regular summer denizen of such pines as lie north of 
the college reservoir. I have known it to remain in autumn till the 
thirtieth of September, 
Dendroica palmarum hypochrysea. Yellow Palm 
Warbler. 672a. 
This species, which is only a migrant, is fairly common spring and 
fall in fields and pastures. Unlike others of this family witii which we 
are familiar. Palm Warblers love the ground and are generally seen either 
on or near it. I have observed them repeatedly in the pasture back of 
Thompson hall, now on the grass and again in the barberry bushes 
or scrub apple trees, searching actively for insects. Their longest 
stay in any one spring that I have observed extended from the seven- 
teenth of April to the eleventh of May. In a single autumn I have 
recorded their presence from September 20 to October i. The 
stomach of a specimen of this species taken in May contained May- 
flies, leaf, and other undetermined beetles, a fly {muscid) and the 
remains of a hemipterous insect which I could not identify. 
