The man was susceptible to flattery, for he became genial again.

"It is the greatest scheme that has ever been known to science. It is the most colossal crime—I suppose they will call it a crime—that has ever been committed."

"But how are you going to get your code word away? The telegraphs are in the hands of the Government and I think you will find it difficult even if you have a secret wireless."

"Wireless, bah!" he said scornfully. "I never expected to send it by telegraph with or without wires. I have a much surer way, fräulein, as you will see."

"But how will you escape?" she asked.

"I shall leave England to-morrow, soon after daybreak," he replied, with assurance, "by aeroplane, a long-distance flying-machine will land on my Sussex farm which will have British markings—indeed, it is already in England, and I and my good Bridgers will pass your coast without trouble."

He peered out of the window.

"This is Horsham, I think," he said, as they swept through what appeared to the girl to be a square. "That little building on the left is the railway station. You will see the signal lamps in a moment. My farm is about five miles down the Shoreham Road."

He was in an excellent temper as they passed through the old town and mounted the hill which leads to Shoreham, was politeness itself when the car had turned off the main road and had bumped over cart tracks to the door of a large building.