The doctor was beside him in a second.

"What is it, son?" he said, bending his head down so that his grizzled mustache almost brushed the man's face.

Courtesy of U.S. Bureau of Lighthouses.

The Light that Never Sleeps.

A powerful automatic beacon on Richardson's Rock, Cal., that burns half a year without attention.

"Jake! Where's Jake?"

A sudden silence swept over the station. Only the Eel moved. With that queer sliding step of his that was almost noiseless, he went to the door of the little house that faced the sea.

"Jake!" again the cry came. "Where's Jake?"