Hog-reeves were men appointed by the citizens to look after their hogs that roamed the roads and streets, to see that all those swine had rings in their noses, were properly marked, and did not do damage to crops. Many towns had hog-reeves till this century; for until seventy years ago hogs ran freely everywhere, even in the streets of our great cities. It was a favorite jest to appoint a newly married man hog-reeve. When Ralph Waldo Emerson was married and became a householder in Concord, the young philosopher was appointed to that office. Sometimes a single swineherd was hired to take care of the roving swine. The two Salem swineherds or swine-keepers in 1640 were to have sixpence for each hog they drove daily to pasture from April to November. These and many other public offices were simply a form of legalized cooeperation; a joining together of neighbors for public good. The neighborly assistance given to new settlers began with the clearing of the ground for occupancy. The girdling of trees was easy and speedy, but it was discountenanced as dangerous and hideous, and was not frequently practised. A chopping-bee was a universal method among pioneers of clearing ground in newly settled districts, or even in older townships in Vermont, New Hampshire, and Maine, where great tracts of land were left for many years in the original growth. Sometimes this bee was held to clear land for a newly married man, or a new neighbor, or one who had had bad luck; but it was just as freely given to a prosperous farmer, though plentiful thanks and plentiful rum were the only rewards of the willing workers. All the strong men of the township repaired at an early hour to the tract to be cleared, and with powerful blows attacked the great trees. A favorite way of bringing the day's work and the day's excitement to a climax was by a "drive." This was made by chopping half-way into the trunks of a great group or circle of trees--under-cutting it was called--so that by a few powerful and well-driven blows at the monarch of the group, and perhaps a few well-concerted pulls on a rope, the entire group could be felled together, the leader bringing down with his spreading branches in his mighty fall his fellows in front of him, and they in turn their neighbors, with a crash that shook the earth and made the mountains ring. It was dangerous work; accidents were frequent; the records of death at log-rollings are pathetic to read and to think of, in a country where the loss of a sturdy man meant so much to some struggling household. A heavy and sudden gust of wind might blow down a small tree, which had been carelessly "under-cut," and thus give an unexpected and premature collapse of the simple machinery of the grand finale.