It was not a map; it could hardly be a message—unless expressed in some short-hand system heretofore unknown—yet it must at some time or other have been accounted important to have been so elaborately preserved.

Grenville turned it upside down, compared his copy with the original repeatedly, and then examined the parchment with most minute particularity in search of some smaller writing to explain these mysterious signs.

There was nothing further to be seen—at least by the light of his fire. Two of the symbols only did he recognize as ever having come to his attention before. These were, first, the lines like a series of M's, and second the oval, about a human figure. This last suggested unmistakably an ancient Egyptian cartouch—the name or title of a king. But containing one sign only, and that apparently representing a mummy, it puzzled the inventor no less than the pyramids and curves.

That some either crude or crafty mind had combined this mixture of Egyptian and nondescript hieroglyphics with intent to reveal some secret message or information to other initiated beings, while concealing its import from all accidental beholders of the script, seemed to Grenville perfectly obvious.

He sat for three hours replenishing the fire and goading his brain for a key to the puzzle, before it occurred to his mind at last the tube might contain the explanation.

All this while he had held it beneath his arm, hard pressed against his body. As he peered down its dark interior once more, he likewise thrust in his fingers. It was they that discovered and fastened upon another sheet of something he had missed.

This clung so close to the tube's metal walls he wetted his finger to remove it. The light then shone opaquely through its substance. It was ordinary foolscap paper, the half of a sheet, gone yellowish with age, but otherwise very well preserved.

It was covered with roughly scrawled characters.

Grenville glanced it through—and irrelevantly longed for a pipe. He felt he should like some good tobacco to assist in the puzzle's solution.