"Rrisa," said he, impressively, his voice slow, grave, sonorous, "only for me thy bones would today be moldering in the trenches at Gallipoli or maybe rotting in a Turkish grave. The life that is in thee belongs to me! That is thy ancient law. Is it not true?"

"It is true, Master. _Nahnu malihin._" (We have eaten salt together.)

"And the salt is still in thy stomach?[1]"

[Footnote 1: Some Arab tribes hold that the salt binds protection for only twenty-four hours and at the end of that time must be renewed, otherwise it is "not in their stomachs."]

"Aye, Master. You are still _dakhil_ (protected) to me."

"Thou art mine to do with as I will?"

"I am the Master's!"

"Treason to me, Rrisa, is treason to thy holy laws. Surely, such treason would plunge thy soul far into the depths of Eblis. When thy time cometh to walk across the burning pit, on the bridge as fine and sharp as the edge of a simitar, if it be laden with treachery to one who hath saved thy life and whose salt thou hast eaten, surely it shall not pa.s.s over, but shall fall. Far into the deeps of Jehannum it shall fall, where the Prophet says: 'Stones and men shall be the fuel of the everlasting flame!'"

"I am the Master's," repeated Rrisa, with trembling mouth. He raised his hand to forehead, lips, and heart. "My head is at the Master's feet!"

"Forget that not, thou!" cried the Master, dominantly. "_Ru'c'h halla!_" (Go!)

CHAPTER XI

CAPTAIN ALDEN STANDS REVEALED

Hardly had the trembling Arab salaamed and departed in terror of soul, knowing not what fearful events might be impending, when Bohannan appeared. The smile on the Master's lips, the sternly calculating expression in his eyes, faded into something as near astonishment as this strange man ever felt, when the major exclaimed:

"Well, faith now, what d'you think? The most improbable thing you can imagine!"

"What may that be, Major?"

"It's not what it may be, it's what it _is_ that's astonishing me.

We've got a stowaway aboard us!"

"Stowaway? Impossible!"

"True, nevertheless. Manderson has just now routed him out of the starboard storage-room, near the reserve petrol-tank."

"Hm! Who is he?"

Bohannan shrugged stout shoulders.

"Don't know yet. He's still dopy. Just coming out of the effects of the lethalizing gas."

"Ah, yes, yes, I see. One of the former crew, I suppose. This is quite inexcusable. That a man should have been overlooked and left aboard--it won't do, Major. Kloof was responsible for that room. Kloof will have to suffer. Any other news?"

"Travers, the New Zealander, is wounded."

"Badly?"

"I'm afraid he's hard hit, sir."

"Well, I'll have a look at him and at this stowaway. Where are they, now?"

"In the lazaret, I suppose you call it. Though what a hospital is, aboard an air-liner, blest if I know!"

"Sick-bay, we'll call it. Problems rising already. A stowaway--rather odd, I must say. Still, as a problem, it's not hard to solve. Nothing simpler than dropping a man overboard."

"You--surely, you wouldn't do that!" e.j.a.c.u.l.a.t.ed the major, startled.

His rubicund face grew round with amazement.

"That remains to be seen. Come, let's have a look at him!"

Together they went out into the brightly lighted main corridor, near the ladder to the upper gallery, turned to the right and walked aft.

A door, just a little abaft the chartroom and, opposite the Master's cabin, gave a glimpse of the as yet unoccupied smoke-room. Astern of this, they pa.s.sed the dining-saloon with its long table and its swivel-chairs. Beyond several stateroom doors they came to the transverse corridor at the other side of which, directly facing the main corridor, the engine-room door opened.

Entering the engine-room, they found themselves in a brightly lighted compartment fifteen feet wide by twenty-six feet, seven inches long.

This compartment contained six Norcross-Brail engines, each capable of developing 1,150 H.P. The engines were in charge of Auchincloss and two a.s.sistant engineers, who had all six engines filling the room with a drowsy drone, like ten billion bees humming themselves to sleep in some mysterious hive.

So nicely adjusted was every part, so accurately true was every shaft, bearing, gear, that practically no vibration could be noted. The voice, in ordinary tones, carried perfectly; and yet in that small s.p.a.ce nearly 7,000 H.P. were being produced and transmitted to the propellers and to the storage batteries that operated helicopters and compressed-air system, as well as the lighting-plant of the air-liner.

As the two men entered the engine-room, the Master nodded to Auchincloss. He stood a moment gazing at the brightly flecked metal of the engines, the gleaming walls--hollow and filled with noninflammable helium gas of great lifting power--the men on watch over all this splendid mechanism. Then he pa.s.sed between engines No. 4 and No. 5, toward the aft wall of the compartment.

Four doors opened in the bulkhead, there. Two communicated with storerooms, one opened into the pa.s.sage that led to the aft observation pit, the fourth gave access to the sick-bay. This door the Master slid back. Followed by the major he pa.s.sed through.

A small but fully equipped hospital met their eyes. Cots, operating-table, instrument-cases, sterilizers, everything was complete. Immaculate cleanliness reigned. On two of the cots, men were lying.

Beyond, Captain Alden--still fully dressed--was sitting on a white metal chair. The captain's face was still concealed by the celluloid mask, but a profound pallor was visible on the lower portion of his right cheek and along his left jaw. The set of that jaw showed an invincible obstinacy that bespoke rebellion.

Dr. Lombardo, a dark-skinned Florentine, who had been talking with Captain Alden, turned at the Master's entrance into the sick-bay.

Already Lombardo had put on a white linen jacket. Though he had not yet had time to change his trousers, he nevertheless presented a semi-professional air as he advanced to meet the newcomers.

"I'm glad you're here, sir," said he to the Master. "There's trouble enough, already."

"Stowaway?" The Master advanced to the nearer cot.

"Yes, sir. Perhaps not voluntarily so. You know how he was found."

"Such oversight is inexcusable!" The Master leaned down and shook the man by the shoulder. "Come, now!" he demanded. "What's your name?"

Curiously he looked at the stranger, a man of great strength, with long arms and powerful, prehensile hands that reminded one of an ape's.

"It's no use questioning him, sir," put in Lombardo, while the major peered curiously at Alden and at the other cot where a man was lying with a froth of bright, arterial blood on his lips. Though this man was suffering torment, no groan escaped him. A kind of gray shadow had settled about eyes and mouth--the shadow of the death angel's wings.

"It's no use, sir," repeated the doctor. "He hasn't recovered consciousness enough, yet, to be questioned. When he does, I'll report."

"Do so!" returned the Master, curtly. "I hardly think we need use much ceremony in disposing of him." He turned to the other cot. "Well, sir, how about this man?"