in answer to their implied interrogations he pointed at the ground directly in front of him.
"Look at those," he exclaimed.
At first neither Smith-Oldwick nor the girl saw anything but a confusion of intermingled prints of padded feet in the sand, but presently the girl discovered what Tarzan had seen, and an exclamation of surprise broke from her lips.
"The imprint of human feet!" she cried.
Tarzan nodded.
"But there are no toes," the girl pointed out.
"The feet were shod with a soft sandal," explained Tarzan.
"Then there must be a native village somewhere in the vicinity," said Smith-Oldwick.
"Yes," replied the ape-man, "but not the sort of natives which we would expect to find here in this part of Africa where others all go unshod with the exception of a few of Usanga's renegade German native troops who wear German army shoes. I don't know that you can notice it, but it is evident to me that the foot inside the sandal that made these imprints was not the foot of a Negro. If you will examine them carefully you will notice that the impression of the heel and ball of the foot are well marked even through the sole of the sandal. The weight comes more nearly in the center of a Negro's footprint."
"Then you think these were made by a white person?"
"It looks that way," replied Tarzan, and sud-
