These episodes opened, dramatically, upon the second night of the voyage from Marseilles.

CHAPTER XXXI

“My shadow lies upon you”

I suppose I did not awake very readily.  Following the nervous vigilance of the past six months, my tired nerves, in the enjoyment of this relaxation, were rapidly recuperating.  I no longer feared to awake to find a knife at my throat, no longer dreaded the darkness as a foe.

So that the voice may have been calling (indeed, had been calling) for some time, and of this I had been hazily conscious before finally I awoke.  Then, ere the new sense of security came to reassure me, the old sense of impending harm set my heart leaping nervously.  There is always a certain physical panic attendant upon such awakening in the still of night, especially in novel surroundings.  Now, I sat up abruptly, clutching at the rail of my berth and listening.

There was a soft thudding on my cabin door, and a voice, low and urgent, was crying my name.

Through the open porthole the moonlight streamed into my room, and save for a remote and soothing throb, inseparable from the progress of a great steamship, nothing else disturbed the stillness; I might have floated lonely upon the bosom of the Mediterranean.  But there was the drumming on the door again, and the urgent appeal: 

“Dr. Petrie!  Dr. Petrie!”

I threw off the bedclothes and stepped on to the floor of the cabin, fumbling hastily for my slippers.  A fear that something was amiss, that some aftermath, some wraith of the dread Chinaman, was yet to come to disturb our premature peace, began to haunt me.  I threw open the door.

Upon the gleaming deck, blackly outlined against a wondrous sky, stood a man who wore a blue greatcoat over his pyjamas, and whose unstockinged feet were thrust into red slippers.  It was Platts, the Marconi operator.

“I’m awfully sorry to disturb you, Dr. Petrie,” he said, “and I was even less anxious to arouse your neighbor; but somebody seems to be trying to get a message, presumably urgent, through to you.”

“To me!” I cried.

“I cannot make it out,” admitted Platts, running his fingers through disheveled hair, “but I thought it better to arouse you.  Will you come up?”

I turned without a word, slipped into my dressing-gown, and with Platts passed aft along the deserted deck.  The sea was as calm as a great lake.  Ahead, on the port bow, an angry flambeau burned redly beneath the peaceful vault of the heavens.  Platts nodded absently in the direction of the weird flames.

“Stromboli,” he said; “we shall be nearly through the Straits by breakfast-time.”

We mounted the narrow stair to the Marconi deck.  At the table sat Platts’ assistant with the Marconi attachment upon his head—­an apparatus which always set me thinking of the electric chair.