[CHAPTER IV—THE TRAIL TO STRANGE NEWS]

Fortune has a way of favoring the bold. The corporal and a marine were in the corridor behind Darrin. The ober-lieutenant’s special guard had been hurled aside.

Hearing the outcries, the other two marines in the cabin sprang toward the German officer. One of these von Bechtold tripped and sent sprawling; the other he struck in the chest, pushing him back.

Just an instant later von Bechtold went down on his back, all five of the marines doing their best to get at him in the same second. But the German had had time to knock the lid from a battery cell and to plunge the envelope into the liquid contained in the jar. Then the German was sent to the mat by his assailants.

Darrin, following, his whole thought on the envelope, plunged his right hand down into the fluid, gripping the package that had been snatched from him.

“Sulphuric acid!” he exclaimed, and made a quick dive for a lidded fire bucket that rested in a rack. The old-fashioned name for sulphuric acid is vitriol, and its powers in eating into human flesh are well known. Darrin’s left hand sent the lid of the bucket flying. Hand and envelope were thrust into the water with which, fortunately, the bucket was filled. When sulphuric acid in quantity is added to water heat is generated, but a small quantity of the acid may be washed from the flesh with water to good advantage if done instantly. After a brief washing of the hand Dave drew it out, patting it dry with a handkerchief. Thus the hand, though reddened, was saved from painful injury. The envelope he allowed to remain in the water for some moments.

“Von Bechtold, you are inclined to be a nuisance here,” Darrin said coolly. “I am going to direct these men to take you above.”

“I am helpless,” replied the German, sullenly, from the floor, where he now lay passive, two marines sitting on him ready to renew the struggle if he so desired.

“Take him above, you two men,” Darrin ordered, “and take especial pains to see that he doesn’t try to escape by jumping into the water.”

At this significant remark von Bechtold paled noticeably for a moment. Then his ruddy color came back. He got upon his feet with a resentful air but did not resist the marines who conducted him up to the deck.