"Keep your eyes on the tree and advance slowly," Ned said. "Have your sword ready in case of need. I cannot help thinking there is something there, though what it is I can't make out."

Slowly, and with the greatest caution, they approached the tree. All was perfectly still.

"No beast big enough to hurt us can be up there," Ned said at last. "None of the branches are thick enough to hide him.

"Now for the stag."

Ned bent over the carcass of the deer, which lay a few feet only from the tree. Then suddenly there was a rapid movement among the creepers which embraced the trunk, something swept between Ned and Tom, knocking the latter to the ground, while a cry of alarm and astonishment rose from Ned.

Confused and surprised, Tom sprang to his feet, instinctively drawing his sword as he did so. For a moment he stood, paralyzed with horror. A gigantic snake had wound its coils round Ned's body. Its head towered above his, while its eyes flashed menacingly, and its tongue vibrated with a hissing sound as it gazed at Tom. Its tail was wound round the trunk of the tree. Ned was powerless, for his arms were pinioned to his side by the coils of the reptile.

It was but a moment that Tom stood appalled. He knew that, at any instant, by the tightening of its folds the great boa could crush every bone of Ned's body; while the very closeness of its embrace rendered it impossible for him to strike at it, for fear of injuring its captor. There was not an instant to be lost. Already the coils were tightening, and a hoarse cry broke from Ned.

With a rapid spring Tom leaped beyond his friend, and with a blow, delivered with all his strength, severed the portion of the tail coiled round the tree from the rest of the body.