Rocky Riffle on the rogue.

Yet in her eyes bubbled gaiety and fun, as successive up-swellings of a spring; or, rather, as the riffles of sunlight and wind, or the pictured flight of birds across a pool whose surface alone is stirred.

Improving, not in beauty, but economy, quite in the modern spirit, the Greeks themselves discovered that they lost less gold if they led the stream through fleece-lined water-troughsand beyond this device of those early placer-miners we have not progressed so far but that, in every long, narrow sluice-box in the world to-day, you may see a Lydian water-trough with a riffle in the bottom for a golden fleece.

It crossed the Kentucky River at a riffle below where Frankfort now stands.

Then every few miles there ran a rivulet as clear as crystal, its bottom checkered at the riffles into a brilliant pattern like plaid delaine by the shining of the clean red, white and yellow granite pebbles through the crossed ripples from the banks.