Concord, Mass.
1910
Sept. 20
[September 20, 1910]

  Early morning cloudy, misty, chilly & calm. Remainder of day
clear and warm with light west wind. North-easterly storm with
violent wind and moderate rain last night.
  I have been living at the cabin at Ball's Hill and out of doors
practically every hour of daylight since September 1st. Up to
to-day birds of all kinds have been exceedingly scarce. Most of
the summer residents had apparently departed for the South
before the beginning of the month and migrants from further 
north have appeared only in the smallest numbers and at infrequent
intervals. It is apt to be thus when, as has been the case
this year, the first half of September is warm and dry
with little or no cloudy weather but this season has perhaps
been more nearly "birdless" here than any that I remember for
a long time. 
  Despite the heavy north-easter during the first half of
last night - or perhaps rather because of it - the first
large bird wave of the season arrived sometime before