November 
baser things called matter, heat, or light, we 
must believe that vitality of whatever sort is in 
its essence no less inextinguishable. 
9 
Of all the warblers, the most abundant and 
persistent in the spring and fall migrations is 
the yellow-rump, which I have met occasion- 
ally through the month. As before remarked, 
this is the only warbler that can be occasion- 
ally found in the Northern States during the 
winter. On the 5th, a large flock of blue- 
birds appeared, as far as I can learn, for the 
first time this year in the Park, where for some 
reason they seem to be of rare occurrence even 
as migrants. ‘They were presumably an excur- 
sion party on their way South, stopping only 
over the Sabbath, for they were gone the next 
day. During their stay they consorted with 
the robins, their cousins-in-science. 
The approach of the winter season was em- 
phasized on the gth by the first appearance of 
the chickadee, the: light-hearted winter guest, 
and a large flock of fox sparrows was found 
mingled with white-throats on the 18th, and 
remained through the month, but only once 
did I hear a snatch of their delicious and half 
293 
