We were bewildered—dazed. While looking down upon this marvelous panorama we were suddenly startled by a sight I shall never forget. Far down to the east another air ship was following at tremendous speed. Black and forbidding it plunged along through the fiery waves, as if bent on running us down. It was the counterpart of our own vessel. We seized each other’s hands in amazement, overcome with horror. So brilliant was the scene below that it was an instant before we realized that the awful object was our own phantom, or shadow, cast upon the clouds beneath; but during that instant it was a terrifying sight. When the sun disappeared we were left in the dull gray of twilight, and as the cold was increasing began at once descending to a lower level. Again the cloud drift was about us, darker and denser than ever; but we quickly passed through it, and I was surprised on emerging, to find the North Sea beneath, and the bluffs of Scarborough fading in the distance. "There is no danger of our being sighted from land now!" said Torrence, checking our descent, and fixing the altitude at about five hundred feet above the sea, He also reduced our speed to its former rate, twenty-five miles an hour, which he said was fast enough. The temperature here was warm and pleasant, with light breeze from the southwest, which, by the by, we did not catch, as we were moving faster, in the opposite direction, making our own wind. The sea was deserted, and the land barely visible. It would still be some time before dark, and we took places on deck to watch out for vessels. We had purposely taken a course away from the track of the Wilson steamers, which ply between Drontheim and Hull; not that it was a matter of any vital importance, but Torrence wanted to keep our movements from the public if possible. This was easily done, both by reason of an extended horizon and the enormous speed we could develop if necessary.