Cambridge & E. Lexington, Mass.
1901.
Sept. 26
  Clear and warm with light S.W. wind.
  In the garden just before noon I saw an Olive-
backed Thrush and a young male Mourning Warbler. I followed
the latter about for some time making some careful
observations which have been duly recorded in my Sys. notes.
  In the afternoon I went to Great Meadow, East
Lexington in company with Walter Deane & Samuel
Henshaw. The chief object of the expedition was to search
for Mole Crickets of which several have been dug out of their
burrows lately by Faxon and Sawyer. We heard three or
four but did not succeed in finding any of them.
Our experience with the birds was more profitable.
From the electric car we saw an Osprey flying high
over Arlington Heights and at the Meadow we noted
no less than eighteen species.
  Two Ducks were seen flying singly over the swamp, one
a Black Duck, the other a Blue-winged Teal. Two gunners
lying in their boats among the button bushes fired six or
eight shots, presumably at Ducks, as it was getting dark.
A Snipe rose from the bog scarping early in the afternoon.
Just before sunset we heard several Carolina Rails calling Kik-Kik
& saw one swim across a causeway very hastily & awkwardly.
Four Rusty Blackbirds came in a little later & a Quail
was heard calling in the distance. Four Chimney Swifts
also appeared flying low & in various directions, feeding.
From half an hour before sunset to nearly dark Robins
were flying overhead towards the westward in almost
a steady stream, at first 300 or 400 ft. up. We must
have seen 700 or 800 in all. The roost was apparently
about a mile to the westward of our position for I could
just see the birds begin to descend through my glass.
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