Concord
Ther. [Thermometer] FRI. [Friday] MAY 26, 1911 Wea. [Weather]
Move to Ball's Hill. Dull.
Cloudy with occasional brief
bursts of sunshine and cool E. [east] wind.
Black-polls still here (heard 3 [in full song])
No other north-bound migrants.
Saw [female] Blackburnian Warbler collecting
building material in newly ploughed 
land in vegetable garden at Farm
this morn. She flew off towards Pulpit R. [Pulpit Rock].
  We left the farm house at 9.30
and moved down to Ball's Hill
 for a few days. James & Zeph
sprayed there all P.M. The moth
pests are fast stripping the oaks, birches
etc. everywhere except on the hill
itself where the trees are comparatively
free from them. A good many birds
singing in late P.M. Pine Warbler,
Creeper, Oven bird, Black thr. Green W. [Black-throated Green Warbler]
several Vireos, a Thrasher across river
a Red eye [Red-eyed Vireo] & a Whippoorwill after dark.
[margin]Hermit Thrush in full song 8 A.M. east of Ritchie place. Heard it from our orchard[/margin]

Concord
Ther. [Thermometer] SAT. [Saturday] MAY 27, 1911 Wea. [Weather]
2 Loons mig. [migrating] First Fire Flies. Fine
Brilliantly clear with light S.E. [southeast] wind
Just pleasantly warm - or cool.
North-bound migrants: - Water Thrush,
1 seen, 1 [in full song] (B.H. [Ball's Hill]) Black-poll 3 [in full song],
Black & Yellow Warbler 1 [in full song] (Farm),
Wilson's Black-cap 1 [in full song] (B.H. [Ball's Hill]),
Loon 2 ad [adults in a flock] flying north, high up (1,000 ft)
at 8 A.M. directly over B.H. [Ball's Hill]
  Started men spraying at 7.30 A.M.
Duren & his men at Bensen's Knoll,
James & Zeph at rear of Ball's Hill.
Mr. Redfield arrived at 9 A.M. to 
spend day. We went to Farm via
Holden's Hill in forenoon. At noon
S.O. Dexter & his brother joined us.
After lunch they & Redfield went to
Farm & beyond. All three took supper
in cabin. At dark we went up river
to lagoon & drifted back listening for
Kicker. Heard nothing but Fowlers Toads
Hylas Green & Pickerel Frogs. Fireflies
out in large numbers