Canoe trip on Sudbury River.
1891
April 25
(no 4)
Mass.
Concord - the entire meadow was flooded) and
hovering about the tufts of grass, tussocks and
button bushes from which they were picking off
insects. Six hundred birds would be a very low 
estimate for the total number assembled in this
meadow. Of these fully 90% were White-bellies
8% Barn Swallows and the remaining 2% Cave 
and Bank Swallows. We saw no Ducks and but
few Red-wings on this meadow but several Marsh
Harriers were beating about its borders.
  On the Maryland meadow above the town bridge
were many more Swallows among which we
noticed a number (perhaps a dozen) of Cave
Swallows. The latter as well as the Bank Swallows
have evidently only begin to arrive. The White-bellies
must be largely migrants for nothing like the
numbers present to-day can breed in the
adjoining region.
  AFter passing the upper bridge we landed and 
paid Mr. Dudley a visit. He pressed me to
spend the night at his house and said that
Bolles could be accommodated at the Heards
on the opposite side of the road. As the weather
had turned bitterly cold we were not sorry to
get under a warm shelter than our canoe tents
so the matter was quickly decided.
  Shortly before sunset we walked over to Heard's 
Pond. The sky was now clear but the N. wind
roared through the tree tops and there was
little singing. On the shore of the pond
we heard a Phebee, in some pines a Pine Warbler,