intelligent fellow of the English middle class, in whom I had
much confidence.

"Well, Wilson," I asked. "What's the matter now?"

He raised his finger to his lips and came closer to me. "I think
I've found out who's doin' the mischief," he whispered, and
nodded his head toward the girl's room. "I seen her sneakin'
from the crew's room just now," he went on. "She'd been in
gassin' wit' the boche commander. Benson seen her in there las'
night, too, but he never said nothin' till I goes on watch tonight.
Benson's sorter slow in the head, an' he never puts two an' two
together till some one else has made four out of it."

If the man had come in and struck me suddenly in the face, I
could have been no more surprised.

"Say nothing of this to anyone," I ordered. "Keep your eyes and
ears open and report every suspicious thing you see or hear."

The man saluted and left me; but for an hour or more I tossed,
restless, upon my hard bunk in an agony of jealousy and fear.
Finally I fell into a troubled sleep. It was daylight when I awoke.
We were steaming along slowly upon the surface, my orders having
been to proceed at half speed until we could take an observation
and determine our position. The sky had been overcast all the
previous day and all night; but as I stepped into the centrale
that morning I was delighted to see that the sun was again shining.
The spirits of the men seemed improved; everything seemed propitious.
I forgot at once the cruel misgivings of the past night as I set