66.
Concord, Mass.
1913.
Aug. 26
to
Nov. 13
(No.17)

42. Setophaga ruticilla - Single birds, mostly in [female] plumage and in company with
other Warblers were noted in elms at the Farm, in Birch Field or 
at Ball's Hill, on August 30 [August 30, 1913] & 31 [August 31, 1913], September 1 [September 1, 1913], 4 [September 4, 1913], 5 [September 5, 1913], 6 [September 6, 1913], 11 [September 11, 1913], 21 [September 21, 1913],
and 24 [September 24, 1913]. Adult [male] seen on September 4 [September 4, 1913] and another on 24th [September 24, 1913], the 
former in apparently full plumage, the latter moulting & having only
a stub of a tail.

43.
Vireo olivaceus. - Heard singing feebly & fitfully & only in the early
morning, on August 31 [August 31, 1913] & September 2 [September 2, 1913], 3 [September 3, 1913], & 5 [September 5, 1913]. Four birds
together in mixed flock of Warblers at Ball's Hill on Sept. 6 [September 6, 1913].
A single bird noted on Sept. 9 [September 9, 1913] & another on the 15th [September 15, 1913].

44. Vireo solitarius. - Much less common than usual. Noted on three
occasions only: - September 6 [September 6, 1913], when one was seen at the 
Farm & another heard in full song on Pine Hill; September
15 [September 15, 1913], when another was met with at the Farm; October
3 [October 3, 1913], when the single bird in the lane at the Farm
furnished the last record for the season.

45. Vireo flavifrons. - Noted only in Concord village when, in elms
near the Common, one was heard in full song on the
morning of August 27 [August 27, 1913] and again on that of the 28th [August 28, 1913].
46. Lanius borealis. - About 9 A.M. on October 29 [October 29, 1913] I heard the peculiar
rusty-hinge-like sound of a Shrike's call and looking
up saw two birds flying together, high in air over
our farm house, towards the south east. They were
apparently migrating. In the afternoon of this same
day I again heard one but failed to see the bird
On November 2 [November 2, 1913], rather late in the afternoon, one passed
me, within a few yards, on Green Hill, in hot pursuit