bag of oil fastened to the side of a helpless drifting vessel in a storm has caused the billows to tone down and saved many a boat from being sunk."
"There is oil on the surface of the sea hereabouts, Tom!" affirmed Jack in a positive tone; and others echoed his observation.
With considerable awe and curiosity the passengers leaned over the rail and sought for some sign of a swimming mariner. Nothing rewarded their search. They cruised around the vicinity of the tragedy for all of fifteen minutes, and had a single German seaman been discovered he would certainly have been taken aboard, although the vessel must not be stopped wholly, lest they become the prey of another lurking submarine, the crew of which would not be apt to take pity on them because of their humane errand.
Here and there they discovered a few floating things such as might have come from a sunken boat, but in the foam and washing of the sea it was not possible to make absolutely certain. But of the crew of the submarine they saw nothing whatever, either living or dead.
"The entire crew must have gone down with the boat!" was the statement coming from an officer; and as the terrible nature of the tragedy
