Over two hours had dragged by. There could be no telling, of course, at what time Blick would appear, even if he came at all.

It was not long ere Noll Terry forgot Lieutenant Prescott's warning, and again started in to have more fun with the people before the window.

This time, however, he took great pains not to let the young lieutenant catch his eye.

Then, of a sudden came a jolt that would have made a less self-possessed young man topple over.

A mild-eyed man of forty took his place before the window. Noll barely glanced at the fellow until the latter inquired in a soft voice that was almost effeminate:

"Any mail for Arthur Dade?"

But Private Terry never turned a hair.

Lieutenant Prescott and Private Overton Darted Into the Fray.