He was startled by something else. Coming up from luncheon, we found that an extraordinary darkness prevailed in the western heavens—a strange bronze-purple gloom that seemed to contain within it the promise of a hundred thunderstorms. And as this fair wind had now brought us within sight of the open Atlantic, the question was whether we should make for Skye or run right under this lurid mass of cloud that appeared to lie all along the western shores of Mull. Unanimously the vote was for the latter course. Had not Angus Sutherland been anxious all along to witness a thunderstorm at sea? Might it not be of inestimable value to Miss Avon? John of Skye, not understanding these reasons, pointed out that the wind had backed somewhat to the north, and that Mull would give us surer shelter than Skye for the night. And so we bore away past Quinish, the brisk breeze sending the _White Dove_ along in capital style; past the mouth of Loch Cuan; past the wild Cailleach Point; past the broad Calgary Bay; and past the long headland of Ru-Treshanish. It was a strange afternoon. The sun was hidden; but in the south and west there was a wan, clear, silver glow on the sea; and in this white light the islands of Lunga, and Fladda, and Staffa, and the Dutchman were of sombre purple. Darker still were the islands lying towards the land—Gometra, and Ulva, and Inch Kenneth; while the great rampart of cliff from Loch-na-Keal to Loch Scridain was so wrapped in gloom that momentarily we watched for the first quivering flash of the lightning. Then the wind died away. The sea grew calm. On the glassy grey surface the first drops of the rain fell—striking black, and then widening out in small circles. We were glad of the cool rain, but the whispering of it sounded strangely in the silence. Then, as we are still watching for the first silver-blue flash of the lightning, behold! the mighty black wall of the Bourg and Gribun cliffs slowly, mysteriously disappears; and there is only before us a vague mist of grey. Colonsay is gone; Inch Kenneth is gone; no longer can we make out the dark rocks of Erisgeir. And then the whispering of the sea increases; there is a deeper gloom over head; the rain-king is upon us! There is a hasty retreat down stairs; the hatches are shoved over; after dinner we shall see what this strange evening portends. "I hope we shall get into the Sound of Ulva before dark," says Miss Avon. "I wish Angus was on board. It is a shame he should be cheated out of his thunderstorm. But we shall have the equinoctials for him, at all events," says Queen Titania—just as if she had a series of squalls and tempests bottled, labelled, and put on a shelf.