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Then presently her heart stood still again. From her higher place

in the saddle, well back in the outskirts of the throng, in the

dim light she made out a figure crouching on the roof; then

another, and another, and a fourth. She suffered an agony of fear

in the few heart-beats before they began to slip away. Her eyes

swept the faces near her. One and all they were turned upon the

struggling mass of humanity at the entrance to the passage. When

she dared look again to the roof the fugitives were gone. She

thought she perceived them swarming up a ladder to the higher

roof, but in the surrounding grayness she could not be sure of

this.