The lower leaves of the bayonet plants, already overshadowed by the newer ones above, were beginning to wilt and shrivel so that we could thrust our way in among the thickening stems without serious injury. A stab in the face or arm we did not heed. At the heart of the thicket I stopped, and stared panting into Cavor’s face.

“Subterranean,” he whispered. “Below.”

“They may come out.”

“We must find the sphere!”

“Yes,” I said; “but how?”

“Crawl till we come to it.”

“But if we don’t?”

“Keep hidden. See what they are like.”

“We will keep together,” said I.

He thought. “Which way shall we go?”