50
Concord, Mass.
1913 
Aug. 26 
to 
Nov 13

  After spending most of the summer elsewhere I returned to 
Concord on August 26 and remained there practically the entire time
up to November 13 living in the old farm house and working chiefly
in its immediate neighborhood but paying occasional visits to Ball's Hill.
September was for the most part a delightful month with warm days
and cloudless skies so that the severe drought that had persisted through
the summer continued unabated save by rather copious rainfall on the 19th
and a still heavier downpour on the 22nd. It was brought finally to 
an end in October, however, by almost incessant rainy or misty 
weather which made this month a memorably dreary one but filled the 
springs wells & ponds and set the brooks to running merrily again after 
a long period of almost total inactivity. Despite the almost uniformly 
perfect weather in September there was, during that month, an exceptionally 
heavy & most interesting flight of migratory Warblers and other small birds.
Indeed I have seldom if ever known them to be more numerous or in 
greater variety. Of the Warblers I met with almost all the