"All ready!"

"Fire!"

Again the fury of the guns burst forth.

"Panzerkraftwagen!" said Eberstein. "But surely armoured cars cannot cross wire entanglements and trenches! There is a mistake somewhere."

"There is no mistake that something has gone wrong and that we are without observation," returned von Waldhofer irritably, indisposed to abstract argument just then. The orderly had once more failed to elicit any response from the observation officer. "Take a couple of men and a new instrument, follow the wire along as far as possible, get into a good position for observing, and open up communication with the battery. No, wait a moment!" The telephone bell was ringing again.

"Message from battalion commander," said the orderly.

"Yes?" von Waldhofer spoke into the instrument. "I am firing on them now. No. I am without observation. Five minutes ago. Really? What are they? Not ordinary cars? Something quite new? Herr Gott, this is serious! Yes. Yes. I quite understand. I am not to retreat while I have ammunition. Good. You may rely on us. We shall stand to the last man. Für Gott und Kaiser! Lebewohl!" He put down the receiver and stood for a moment in deep thought, his hand pressed to his high bald brow. Then he shook himself alert. He turned to Eberstein. "Hurry!" he said irritably. "Everything is at stake!" The lieutenant sprang up the stairway and vanished.

Von Waldhofer put on his helmet and gave a last order to the telephonist before he followed his subaltern.

"Ring up Captain Pforzheim. Tell him to send up every available round as quickly as possible. Urgently required!"

Then he also ran up the narrow stairway into the bright morning light.