Inside the fence and separated from it by a distance of twenty feet was another barbed wire entanglement, while in the intervening space were several large and ferocious-looking mastiffs.

This was Sub-lieutenant Tressidar's first introduction to the naval prison of the fortress of Sylt.

CHAPTER XVI

THE FIRST DAY OF CAPTIVITY

Having handed over their prisoner to the charge of a corporal and a couple of men, the marine guard marched off. The sub. was then curtly ordered into a large, almost unfurnished room, the windows of which were heavily barred.

Engaged in conversation at one end of the room were four officers. One was the governor of the prison—a fat German of middle height, whose most striking peculiarities were his bristling, upturned moustache and a shiny, bald pate surrounded by a natural tonsure of raven black hair—another a subaltern who, having been wounded and rendered unfit for active service, was able to "get his own back" by systematically jeering at the prisoners and making their hard lives even yet more unbearable. The remaining officers were doctors.

"Take off all your clothes," ordered the lieutenant, with great emphasis on the word "all."

Tressidar obeyed. As each garment was, discarded it was seized and closely examined by the corporal, who seemed obsessed with the idea that English officers invariably had confidential documents sewn into their clothing. The sub.'s watch, purse, pocket-book, keys, and, in fact, everything in his pockets were handed to the junior German officer, who handled them as if they were contaminated articles, although he took good care to pocket the timepiece and the purse.

Stripped to the buff, Tressidar was subjected to a prolonged and searching verbal examination. Once when he demurred at answering a certain question, the governor reminded him that unless he replied truthfully and unhesitatingly he would have to remain without clothes until he did. And since the temperature was only a few degrees above freezing-point, the threat carried weight.