Now look at those marks.

Do you see anything different in them from the marks below ?" The sheriff and I gazed intently at the prints of bare feet which marked the entire vicinity of the struggle.

We had both examined them more than once before, and we saw nothing now but what had already appeared.

We straightened up and shook our heads.
"They're the prints of bare feet," said Mattison, stolidly.

"But I don't see that they're any different from any other bare feet." Terry handed him the ruler.
"Measure them," he said.