r a time it rested there, with folded pinions, in a din of clanging hammers; and a workman far out on a delicately bal

ting up here and down again as you do I wouldn'

y, with white wings widely stretched, circled once over the vast steel structure, then darted away to the nort

arose, and went up the three flights of stairs to the roof. Half a dozen birds rose and fluttered around him as he opened the trap; one door in their cote at the rear of the building wa