"Milton. Oh, Milton."

No answer.

"Milton."

Silence still.

"Milton," I called once more. "Where are you?"

The answer was a scream, a scream that threatened to arrest the coursing blood in my veins—the sound seeming to issue from the very heart of the rock-mass there before me.


Chapter 15

THE ANGEL

The scream ceased as suddenly as it had come. I drew my revolver, snapped on the electric light, and, stooping low, looked into that spot where, a few moments before, Milton Rhodes had so suddenly and mysteriously disappeared.