Page:Seton-Thompson--Wild animals I Have Known.djvu/110

 dewdrops from the briers were fit for a rabbit to drink, as water which has once touched the earth must surely bear some taint. Thus he began the study of woodcraft, the oldest of all sciences.

As soon as Rag was big enough to go out alone, his mother taught him the signal code. Rabbits telegraph each other by thumping on the ground with their hind feet. Along the ground sound carries far; a thump that at six feet from the earth is not heard at twenty yards will, near the ground, be heard at least one hundred yards. Rabbits have very keen hearing, and so might hear this same thump at two hundred yards, and that would reach from end to end of Olifant's Swamp. A single thump means 'look out' or 'freeze.' A slow thump thump means 'come.' A fast thump thump means 'danger'; and a very fast thump thump thump means 'run for dear life.'

At another time, when the weather was fine and the bluejays were quarrelling among themselves, a sure sign that no dangerous foe was about, Rag began a new study. Molly, by flattening her ears, gave the sign to squat. Then