Carg stroked his grizzled beard.

"A German bomb, Miss Patsy; but I think it did no damage."

"A bomb! Then the Germans are on us?"

"Not exactly. An aeroplane dropped the thing."

"Oh. Where is it?"

"The aeroplane? Pretty high up, I reckon," answered the captain. "I had a glimpse of it, for a moment; then it disappeared in the clouds."

"We must get our ambulances ashore," said Jones.

"No hurry, sir; plenty of time," asserted the captain. "I think I saw the airship floating north, so it isn't likely to bother us again just now."

"What place is north of us?" inquired the girl, trembling a little in spite of her efforts at control.

"I think it is Nieuport—or perhaps Dixmude," answered Carg. "I visited Belgium once, when I was a young man, but I cannot remember it very well. We're pretty close to the Belgian border, at Dunkirk."