Understand ?" "Yes, sir!" came the crisp voice of Enemark.

"Perfectly!" The Master hung up the receiver, and for a moment stood brooding.
An intruding thought had once more forced itself into his brain--a thought of "Captain Alden." In case of capture or destruction, what of the woman?
Something very like a pang of human emotion pierced his heart.

Impatiently he thrust the thought aside, and turned with a quiet smile to Bohannan.
The major, red with excitement and impatience, still had a hand on the machine-gun.

He was patting it slightly, his face eloquent of longing and regret.
"Still pinning your faith to steel-jacketed streams of bullets, are you, as against ion-jacketed streams of vibrations ?" the Master rallied him.

"We shall see, immediately, whether you're right or _I_ am! Bullets are all well enough in their place, Major, but electrons are sometimes necessary.