1909
May 1
Concord, Mass.
  Returned to the farm house at Concord to-day
after an absence of more than two weeks. One of the
first things I did was to look systematically for Bats
in the loft of our open wood shed. There were none to
be found there.
Bats in woodshed.
May 2 Second search for Bats in wood-shed. None there
May 3 Third search for Bats in wood-shed. None there
May 4 Fourth search for Bats in wood-shed. None there but a
light brown one, evidently of another kind, found clinging to
a beam in our barn cellar.
May 5 Found two of the small dark brown Bats
in the wood shed this morning clinging to roof boards
about 12 inches apart in the usual place.
May 6 Four Bats in the shed roof this morning clinging in pairs
May 7 Ten Bats in the shed roof this morning all together in a cluster
May 8 Ten Bats in the shed roof this morning all together in a cluster
May 9 Twelve Bats in the shed roof this morning all together in a cluster
May 10 Twelve Bats in the shed roof this morning all together in a cluster
May 11 Woodshed not visited
May 12 Woodshed not visited
May 13 Woodshed not visited
May 14 Twenty-two Bats in the shed roof this morning all together in a cluster
May 15 Woodshed not visited
16 to 25 Woodshed not visited
May 26 Twenty four Bats in the shed roof, all adult ones.