curves. No physical thing could have entered there. It was too utterly void, an inviolable emptiness which no force could invade.

He stared up along the inward arch of that curving, impassable wall. Here, then, was the edge of the queer land Illar had wrested out of space itself. This arch must be the curving of solid space which had been bent awry to enclose the magical land. There was no escape this way. He could not even bring himself to approach any nearer to that streaked and arching blank. He could not have said why, but it woke in him an inner disquiet so strong that after a moment's staring he turned his eyes away.

Presently he shrugged and set off along the inside of the line of trees which parted him from the space-wall. Perhaps there might be a break somewhere. It was a forlorn hope, but the best that offered. Wearily he stumbled on over the flowery grass.

How long he had gone on along that almost imperceptibly curving line of border he could not have said, but after a timeless interval of gray solitude he gradually became aware that a tiny rustling and whispering among the leaves had been growing louder by degrees for some time. He looked up. In and out among the trees which bordered that solid wall of nothingness little, indistinguishable figures were flitting. The tree-men had returned. Queerly grateful for their presence, he went on a bit more cheerfully, paying no heed to their timid dartings to and fro, for Smith was wise in the ways of wild life.

Presently, when they saw how little heed he paid them, they began to grow bolder, their whispers louder. And among those rustling voices he thought he was beginning to catch threads of familiarity. Now and again a word reached his ears that he seemed to recognize, lost amidst the gibberish of their speech. He kept his head down and his hands quiet, plodding along with a cunning stillness that began to bear results.

From the corner of his eye he could see that a little dark tree-man had darted out from cover and paused midway between bush and tree to inspect the queer, tall stranger. Nothing happened to this daring venturer, and soon another risked a pause in the open to stare at the quiet walker among the trees. In a little while a small crowd of the tree-people was moving slowly parallel with his course, staring with all the avid curiosity of wild things at Smith's plodding figure. And among them the rustling whispers grew louder.

Presently the ground dipped down into a little hollow ringed with trees. It was a bit darker here than it had been on the 

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