He was more rested now and he swam farther under the dock. Again came the cry. With a thrill now he recognized the voice.

"Eva!" he called, again and again.

"Here I am," came back the echo.

With a powerful stroke he breasted the current and in a moment he was supporting her half-fainting body. Precarious though their position was, Locke felt the thrill of her words. The effect was to spur him on to fresh efforts.

Eva had become stronger now. For a few moments he swam, in order, if possible, to find some means by which they might escape from the water and reach the dock.

They had no way of knowing but that the Automaton and his emissaries might still be lurking above, ready to thrust them back into the water or to reserve for them some even more terrible fate. But it was a risk that they realized must be taken and at once. An attempt to swim to another dock could end only disastrously.

Locke soon returned with the cheering news that he had discovered a ladder that came even to the surface of the water, a landing for small boats. More than that, he had mounted the ladder, and from a short survey he had seen no sign of their enemies.

Carefully aiding Eva, Locke swam to this ladder and soon they stood upon the dock, safe.

With great caution they moved toward the street and, without harm, finally passed beneath the arched gates again and were in the city street.

Eva went at once to her father's room. His condition was one of great weakness. The laughing madness had abated in so far that the poor victim was so weak that the spasms could not maintain a very violent form.