1906
April 29
  Clear and warm with light S.W. wind.  
  Bank Swallow heard near Ball's Hill about 9.30 A.M. (On
the evening of the 30th I saw 3 birds flying together low over
the orchard at the farm)
Arrival
April 30 
  Cloudy with fresh S.W. wind
  Least Flycatcher. - Heard the chebec note twice in trees
near the house about 9 A.M.
Arrival
May 2  
  Cloudy with S.W. wind. Thunder heard in distance about
4 P.M. It began raining soon afterwards and continued well into
the night.
  Brown Creeper. - Saw one in the elms along our lawn about 9 A.M. 
  Black throated Green Warbler.- Four males in the big elm in front of
the lawn & in apple trees in the orchard at 8 A.M. 
  Nashville Warbler.- One singing in elms near the house at 10 A.M. 
  Cedar Bird.- Flock of 10 or 12 seen in village of Concord by Purdie
  Bittern.- Heard one peeping in direction Great Meadow when at
Ritchie place this morning.
Arrivals
  With the Black-throated Warblers were two Black and White
Creepers and two Ruby-crowned Kinglets (one singing gloriously)
There were also White-throated sparrows among the raspberry
bushes near the barn. All the birds were evidently freshly arrived
migrants.
  There are plenty of Robins now - quite the normal number.
  Purdie found the nest of a Vesper sparrow yesterday in
Green Field. It contained 2 eggs. The bird was on the nest.
  Toads and Hylas in full cry every night now.