Hamerton was lodged in the upper story of a building within the fort which was mainly devoted to non-combustible stores. The walls were not so thick as those of his former prison, the floors were planked, while the ceiling was of ordinary plaster. The solitary window was fairly large, glazed, and protected by iron bars that had apparently only been placed in position a few hours before, for the cement was barely dry.

Almost immediately on the departure of the escort a lieutenant, accompanied by two non-commissioned officers, entered the room. The officer was a fair-haired youth of about twenty. His rounded features and blue eyes gave him almost a girlish appearance, which his incipient moustache failed to destroy.

"Ach! Herr Smidt," he began in tolerable English, "I hope you give no trouble. You cannot escape you out of here—you take my word. If no trouble, then perhaps we allow you insignificant privileges. So."

The Sub looked at the speaker. The German officer seemed a decent little chap, he decided.

"I had a rough time of it when I broke out of prison before," he replied. "Perhaps I may not have the opportunity or the inclination to do so, especially as I am promised certain privileges if I behave. But, Herr Lieutenant, let me inform you that I do not answer to the name of Smith."

The lieutenant smiled and tapped his forehead in a significant manner. The act irritated Hamerton almost beyond endurance, but the thought suddenly struck him that perhaps after all the German really thought he had to deal with a prisoner whose brain had become affected.

"No; my name is not Smith," continued the Sub earnestly. "I'm Hamerton, an officer of the British Navy. Don't you believe me?"

The German shook his head.

"I tell you this," he said. "Herr Hamerton sailed from here in his yacht. He was lost at sea; his comrade also. You will do yourself no good if you acclaim yourself as Herr Hamerton. Smidt you are, and I believe you know it. Now be good, and no trouble give."

With that the lieutenant took his departure, and Hamerton was left in the dark and to his own resources. There was nothing further for him to do at present, he reflected; so, unstrapping his blankets, he turned in and was soon fast asleep.