I was still looking at the sinking _Adela_ when Vornal, who was beside me, gave a sudden cry of warning and surprise, gripping me by the shoulder and turning my head. There behind us, coming up the fairway, was a huge black vessel with black funnels, flying the well-known house- flag of the P. and O. Company. She was not a mile distant, and I calculated in an instant that even if she had seen us she would not have time to turn and get away before we could reach her. We went straight for her, therefore, keeping awash just as we were. They saw the sinking vessel in front of them and that little dark speck moving over the surface, and they suddenly understood their danger. I saw a number of men rush to the bows, and there was a rattle of rifle-fire. Two bullets were flattened upon our four-inch armour. You might as well try to stop a charging bull with paper pellets as the _Iota_ with rifle-fire. I had learned my lesson from the _Adela_, and this time I had the torpedo discharged at a safer distance--two hundred and fifty yards. We caught her amidships and the explosion was tremendous, but we were well outside its area. She sank almost instantaneously. I am sorry for her people, of whom I hear that more than two hundred, including seventy Lascars and forty passengers, were drowned. Yes, I am sorry for them. But when I think of the huge floating granary that went to the bottom, I rejoice as a man does who has carried out that which he plans. It was a bad afternoon that for the P. and O. Company. The second ship which we destroyed was, as we have since learned, the _Moldavia_, of fifteen thousand tons, one of their finest vessels; but about half-past three we blew up the _Cusco_, of eight thousand, of the same line, also from Eastern ports, and laden with corn. Why she came on in face of the wireless messages which must have warned her of danger, I cannot imagine. The other two steamers which we blew up that day, the _Maid of Athens_ (Robson Line) and the _Cormorant_, were neither of them provided with apparatus, and came blindly to their destruction. Both were small boats of from five thousand to seven thousand tons. In the case of the second, I had to rise to the surface and fire six twelve-pound shells under her water-line before she would sink. In each case the crew took to the boats, and so far as I know no casualties occurred.