In the heat of summer, these huge animals, which, no doubt, suffer very much with the great profusion of their long and shaggy hair or fur, often graze on the low grounds in the prairies, where there is a little stagnant water lying amongst the grass, and the ground underneath being saturated with it, is soft, into which the enormous bull, lowered down upon one knee, will plunge his horns, and at last his head, driving up the earth, and soon making an excavation in the ground, into which the water filters from amongst the grass, forming for him in a few moments, a cool and comfortable bath, into which he plunges like a hog in his mire.
In this delectable laver, he throws himself flat upon his side, and forcing himself violently around, with his horns and his huge hump on his shoulders presented to the sides, he ploughs up the ground by his rotary motion, sinking himself deeper and deeper in the ground, continually enlarging his pool, in which he at length becomes nearly immersed; and the water and mud about him mixed into a complete mortar, which changes his colour, and drips in streams from every part of him as he rises up upon his feet, a hideous monster of mud and ugliness, too frightful and too eccentric to be described!
It is generally the leader of the herd that takes upon him to make this excavation; and if not (but another one opens the ground), the leader (who is conqueror) marches forward, and driving the other from it plunges himself into it; and having cooled his sides, and changed his colour to a walking mass of mud and mortar; he stands in the pool until inclination induces him to step out, and give place to the next in command, who stands ready; and another, and another, who advance forward in their turns, to enjoy the luxury of the wallow; until the whole band (sometimes an hundred or more) will pass through it in turn; each one throwing his body around in a similar manner; and each one adding a little to the dimensions of the pool, while he carries away in his hair an equal share of the clay, which dries to a grey or whitish colour, and gradually falls off. By this operation, which is done, perhaps, in the space of half an hour, a circular excavation of fifteen or twenty feet in diameter, and two feet in depth, is completed, and left for the water to run into, which soon fills it to the level of the ground.
To these sinks, the waters lying on the surface of the prairies, are continually draining, and in them lodging their vegetable deposits; which, after a lapse of years, fill them up to the surface with a rich soil, which throws up an unusual growth of grass and herbage; forming conspicuous circles which arrest the eye of the traveller, and are calculated to excite his surprise for ages to come.
Many travellers who have penetrated not quite far enough into the Western country to see the habits of these animals, and the manner in which these mysterious circles are made; but who have seen the prairies strewed with their bleached bones, and have beheld these strange circles, which often occur in groups, and of different sizes—have come home with beautiful and ingenious theories (which must needs be made), for the origin of these singular and unaccountable appearances, which, for want of a rational theory, have generally been attributed to fairy feet, and gained the appellation of “fairy circles.”
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