"Rest assured that the money will eventually reach a safe destination," he urged enigmatically. "Better even to run the risk of its being lost than to let it fall into the hands of these Englishmen."

"That is so," agreed Otto. "At any rate I can entrust it in your keeping for the next few days until I know what they propose doing with me. You will, of course, be paid well for your trouble."

Enrico waved his hands deprecatingly, swearing by his patron Saint Enrico of Guadalajara that it would be a pleasure and a duty to assist a German in distress.

"Very well, then," agreed Otto, producing a paper from the double crown of his tarboosh.

The Rock Scorp, craftily concealing his delight at the success of his plan, took the document and glanced at the amount written thereon. As he did so he uttered an exclamation.

"Dios!" he ejaculated.

"What is it?" enquired Otto.

"The signature--Hans von Effrich. I know the man. He was at Barcelona when the U-boats were busy. I helped him to--"

He broke off abruptly, realising, perhaps, that there were limits to an exchange of confidences.

"Von Effrich--I have never met him," declared Otto. "All I know is that he is now an agent for Count Karl von Sinzig."