This curious phenomenon has been differently accounted for. The following is Mr. Nicholson's description and explanation: "the appearance in the grass, says he, commonly called Fairy Rings, is well known. It consists either of a ring of grass of more luxuriant vegetation than the rest, or a kind of circular path in which the vegetation is more defective than elsewhere. It appears to be pretty well ascertained that the latter state precedes the former. […]