the mask-like expression. Here was a face with flashing eyes and distorted features, a face convulsed with hatred and with the mad joy of gratified revenge.
"Lord Roxton!" he shouted. "Lord John Roxton!"
"Well," said our companion, "here I am."
A shriek of laughter came across the abyss.
"Yes, there you are, you English dog, and there you will remain! I have waited and waited, and now has come my chance. You found it hard to get up; you will find it harder to get down. You cursed fools, you are trapped, every one of you!"
We were too astounded to speak. We could only stand there staring in amazement. A great broken bough upon the grass showed whence he had gained his leverage to tilt over our bridge. The face had vanished, but presently it was up again, more frantic than before.
"We nearly killed you with a stone at the cave," he cried; "but this is better. It is slower and more terrible. Your bones will whiten up there, and none will know where you lie or come to cover them. As you lie dying, think of Lopez, whom you shot five years ago on the Putomayo River. I am his brother, and, come what will I will die happy now, for his memory has been avenged." A furious hand was shaken at us, and then all was quiet.
Had the half-breed simply wrought his vengeance and then escaped, all might have been well with