Setonhaga ruticilla . 
Peterborough., New Hampshire. 
189S. Several pairs found in maple and birch woods at the west 
July 5 
to end of Cunningham Pond but none noticed elsewhere. Not heard 
i Aug .15. 
singing after July 12th. 
Concord, Mass. Builds a nest in one day. 
1099. Saw a Redstart beginning her nest this morning at about 
May 15. 7.30 when only a few shreds of material were in place. At 
3 P.M. the nest looked finished from below although the bird 
no doubt will work on the lining for a day or two more. This 
j 
nest is in the upright fork of a white maple at east end of 
Ball's Hill. 
Nest building. 
| June. This s'pecies has increased greatly in numbers during the 
! 
past ten years in the region about Concord, and at Ball's 
Hill it now breeds abundantly. We found no less than five 
nests there this season. Two -were begun on the morning of 
May 17th and two on that of the 19th while the fifth was ap- 
parently completed on the latter date. Two of the five pairs 
hatched and reared their young successfully, the other three 
nests were destroyed soon after the eggs were laid. Gilbert 
took some careful notes respecting one of these nests from 
which I have compiled the following 
At about 6 A. id. on May 17th a female Redstart brought 
