68
Concord, Mass.
1913.
Aug. 26
to
Nov. 13
(No 19)

47. Ampelis cedrorum. - We seldom see many Cedar birds in autumn
at Concord. They were even less numerous there than 
usual this year being noted only on August 29 [August 29, 1913] and
September 5 [September 5, 1913] and heard, merely, on each occasion.

48. Hirundo erythrogaster. - Not long after sunset on August 26 [August 26, 1913] I
was strolling through Pine Park at the rear of Ball's Hill
when a flock of about 50 Swallows came whirling 
past. Judging by their cries I thought that most, if
not nearly all, of them were Barn Swallows. Two birds
of this species were seen on the 27th [August 27, 1913] and two more
on the 28th [August 28, 1913], skimming low over the turf in grass fields
near Concord village.

49. Tachycineta bicolor. - There must have been at least a few birds
of this species in the big flock of Barn Swallows seen
at Ball's Hill on the evening of August 26 [August 26, 1913] for I heard 
the calls of the former several times. The species was
not noted afterwards. What has become of the mid-
autumnal flights of Tree Swallows that we used to see
along Concord River! I have not noted one for many
years past.

50. Cotila riparia. - A few Bank Swallows, also, must have been
mingled with the Barn & Tree Swallows seen at Ball's
Hill in the evening of August 26 [August 26, 1913] when I heard their
calls more than once coming from the swirling flock.
None were noted after this.

51. Piranga erythromelas. - A [female] in elm at Farm, September 1 [September 1, 1913]; an adult [male]
with jet black wings & tail but no exposed red in mixed flock of Warblers