Setonhaga ruticilla . 
Concord, 
1899 . 
June. 
( 4 ). 
Mass. Nest building, 
half but sometimes a whole turn and, with her head and breast, 
pressing the materials which she had brought into the meshes 
of the framework until they were completely filled. Working 
thus, always from the inside , she modelled and remodelled un- 
til by the constant application of fresh material she had trans- 
formed the original skeleton framework into a compact, firmly 
woven nest. Occasionally she would drop directly into the 
nest without first alighting outside but she did not attempt 
to perch on its rim until it was nearly completed. 
After putting in the lining, which consisted of horse 
hair, dry grass, and shreds of birch, grape vine and mullein 
bark, she drew in the loose ends which had been left project- 
ing or hanging down around the top and outside of the nest. 
These ends were drawn and tucked in to bind the lining and 
were held down by the bird's breast until all within her reach 
was secured. She then managed to rub them still more firmly 
into place by craning her head over the rim of the nest and 
bringing her bill, throat and neck to bear on its top and 
inner and outer surfaces at one and the same time. 
After this nest was finished it was frequently visited 
by Black and White Creepers, Yellow ’Warblers and Red-eyed 
Vireos all of whom attempted to appropriate some of its com- 
ponent materials for their own domiciles. 
They sometimes 
