1914.
March 17
to
May 31
(No 21)

completed. It consisted of no more than a shapeless mat of the 
materials above mentioned covering the entire shelf (about 2' [feet] x 10" [inches] in 
surface area) to a depth of from 2" [inches] to 4" [inches] and held in place
by our cleat, no mud being used. Somewhere near the middle
of this mass of trash the bird laid her eggs and hatched
them successfully. I saw her taking food to the young for
a week or more and without doubt she got them out 
safely in the end but that I did not see. It would
be interesting to know whether or not this was a young 
Robin. Quite evidently she had no knowledge of the
art of nest building usually characteristic of her kind but
knew no more than to bring together a lot of stuff so 
light & fragile that the merest breath of wind would
sweep it off the shelf. Another interesting question is as to
how the Robin could have retained her eggs so long. She
did not lay them until more than two weeks after the