At that moment, it must be owned, a rebuke of idleness would have fallen with a poor grace from my Massachusetts lips. If the player of marbles had followed his questioner round the first turn, he would have seen him standing motionless beside a swamp, holding his head on one side as if listening,—though there was nothing to be heard,—or evoking ridiculous squeaking noises by sucking idiotically the back of his hand. Well, I was trying to find another bird, just as he was trying to knock another marble out of the ring.

The spot invited such researches,—a bushy swamp, quite unlike the dry woods and rocky woodland brooks which I had found everywhere else. I had seen my first cerulean warbler on Lookout Mountain, my first Cape May warbler on Cameron Hill, my first Kentucky warbler on Missionary Ridge, and my first blue-winged yellow warbler at the Chickamauga battlefield. If Walden was to treat me equally well, as in all fairness it ought, now was the time. Looking, listening, and squeaking were alike unrewarded, however, till I approached the same spot on my return. Then some bird sang a new song. I hoped it was a prothonotary warbler, a bird I had never seen, and about whose notes I knew nothing. More likely it was a Louisiana water-thrush, a bird I had seen, but had never heard sing. Whichever it was, alas, it speedily fell silent, and no beating of the bush proved of the least avail.

Meanwhile I had been to the Brow, where I had sat for an hour or more on the edge of the mountain, gazing down upon the world. The sky was clouded, but here and there were fugitive patches of sunshine, now on Missionary Ridge, now on the river, now glorifying the smoke of the city. Southward, just across the valley and over Chattanooga, was Lookout Mountain; eastward stretched Missionary Ridge, with many higher hills behind it; and more to the north, and far in the distance, loomed the Great Smoky Mountains, in all respects true to their name. The valley at my feet was beautiful beyond words: green forests interspersed with green clearings, lonely cabins, and bare fields of red earth. At the north, Walden's Ridge made a turn eastward, narrowing the valley, but without ending it. Chimney swifts were cackling merrily, and the air was full of the hum of seventeen-year locusts,—miles and miles of continuous sound. From somewhere far below rose the tinkle of cow-bells. Even on that cloudy and smoky day it was a glorious landscape; but it pleased me afterward to remember that the eye returned of itself again and again to a stretch of freshly green meadow along a slender watercourse,—a valley within the valley. Of all the fair picture, that was the most like home.

Meanwhile there was no forgetting that undiscovered stranger in the swamp. Whoever he was, he must be made to show himself; and the next day, when the usual noonday deluge was past, I looked at the clouds, and said: "We shall have another, but in the interval I can probably reach the Brow. There I will take shelter on the piazza of an unoccupied cottage, and, when the rain is over, go back to the swamp, see my bird, and thence return home." So it turned out—in part. The clouds hurried me, but I reached the Brow just in season, climbed the cottage fence, the gate being padlocked, and, thoroughly heated as I was, paced briskly to and fro on the piazza in a chilling breeze for an hour or more, the flood all the while threatening to fall, and the thunder shaking the house. There was plenty to look at, for the cottage faced the Great Smokies, and though we were under the blackest of clouds, the landscape below was largely in the sun. The noise of the locusts was incessant. Nothing but the peals of thunder kept it out of my ears.

So far, then, my plans had prospered; but to find the mysterious bird,—that was not so easy. The swamp was silent, and I was at once so cold and so hot, and so badly under the weather already, that I dared not linger.

In the woods, nevertheless, I stopped long enough to enjoy the music of a master cardinal,—a bewitching song, and, as I thought, original: birdy, birdy, repeated about ten times in the sweetest of whistles, and then a sudden descent in the pitch, and the same syllables over again. At that instant, a Carolina wren, as if stirred to rivalry, sprang into a bush and began whistling cherry, cherry, cherry at his loudest and prettiest. It was a royal duet. The cardinal was in magnificent plumage, and a scarlet tanager near by was equally handsome. If the tanager could whistle like the cardinal, our New England woods would have a bird to brag of.

Not far beyond these wayside musicians I came upon a boy sitting beside a wood-pile, with his saw lying on the ground. "It is easier to sit down than to saw wood, isn't it?" said I. Possibly he was unused to such aphoristic modes of speech. He took time to consider. Then he smiled, and said, "Yes, sir." The answer was all-sufficient. We spoke from experience, both of us; and between men who know, whatever the matter in hand, disagreement is impossible and amplification needless.

Three days later—my last day on the Ridge—I had better luck at the swamp. The stranger was singing on the nearer edge as I approached, and I had simply to draw near and look at him,—a Louisiana water-thrush. He sang, and I listened; and farther along, at the little bridge where I had first heard the song, another like him was in tune. The strain, as warbler songs go ("water-thrushes" being not thrushes, but warblers), is rather striking,—clear, pretty loud, of about ten notes, the first pair of which are longest and best. I speak of what I heard, and give, of course, my own impression. Audubon pronounces the notes "as powerful and mellow, and at times as varied," as those of the nightingale, and Wilson waxes almost equally enthusiastic in his praise of the "exquisitely sweet and expressive voice." Here, as in Florida, I was interested to perceive how instantly the bird's appearance and carriage distinguished it from its Northern relative, although the descriptions of the two species, as given in books, sound confusingly alike. It is matter for thankfulness, perhaps, that language is not yet so all-expressive as to render individual eyesight superfluous.

I kept on to the Brow, and some time afterward was at Mabbitt's Spring, quenching my thirst with a draught of liquid iron rust, when a third songster of the same kind struck up his tune. The spring, spurting out of the rock in a slender jet, is beside the same stream—Little Falling Water—that makes through the swamp; and along its banks, it appeared, the water-thrushes were at home. I was glad to have heard the famous singer, but my satisfaction was not without alloy. Walden, after all, had failed to show me a new bird, though it had given me a new song.