The mills are supplied with water from the mill-lade, and one of them obtains water from the Tweed when necessary. The people of the town are entirely engaged in the woollen industry; wool scouring, weaving, and dyeing are all carried on here. The town is sewered. All the sewage is collected in an outfall sewer, which discharges into the mill-lade below the lowermost mill, and about three hundred yards from the Tweed; there is no attempt at purification of {330}the sewage. The liquid refuse from the mills is discharged into the lade. The water of the lade where it discharges to the Tweed is very foul with sewage and dye water... Below the point at which the lade discharges to the Tweed the water of this river is greatly fouled, the bottom of the river is covered with sewage deposit and the stones coated with sewage fungus. The river here contains also a large amount of refuse of all kinds, such as pots and pans, old linoleum, old iron-work, and such like. Although there is a daily collection of rubbish in the town, a great deal of large sized rubbish is thrown into the bed of the Lei then, and the tip to which all refuse is taken, together with offal from the slaughter houses, is situate just where the Lei then falls into the Tweed. In times of flood the water of the Leithen excavates this refuse tip, and carries the refuse into the Tweed. Some of the mill-owners here have tanks for settling the spent liquids after dyeing, and in this way some of the solid refuse is retained, but the coloured liquid is allowed to enter the river. One is thankful for small mercies; "_some_ of the solid refuse is retained." But the "offal from the slaughter houses," and the "tip" to which all refuse is taken! And the sewage which there is "no attempt to purify"! What grizzly nightmare could be more grizzly than this? However, we get soon now above the range of pollution by mill or town. Peebles only remains; thereafter we have really a river as it used in its entirety to be, and, above Peebles, as it may still be called, "the silver Tweed." Before reaching Peebles, however, there is, over against Innerleithen, on the angle between Quair Burn and Tweed, Traquair House to notice; and, nearer to Peebles, on its green knoll the old riven tower of Horsburgh, ancient seat of an ancient family. Of old, Traquair was a royal residence. In the twelfth century. William the Lion hunted from its tower; and other of the Scottish monarchs visited it in later days, the last, I suppose, being Mary and Darnley in August, 1566. The original tower, {331}or some part of it, I believe stands now in the north-east corner of the building, but the house has, of course, been greatly added to at different periods, mostly, however, during the reign of Charles I. [Illustration: 0351]