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 as before. It is a constant little run of hops, a pause, and then another little run of hops, each bird following the other about in turn, the distance between them being, as a rule, from two or three feet to five or six paces.

"3.10.—Another little fly up into the air, followed by the frenzied dance on descending. Then the two come together in the mouth of a rabbit-burrow, fly at each other as before, separate again almost immediately, and continue their hopping over the warren, the one still dogging the other.

"3.30.—The two fly at each other as though to fight; but, again, just as they seem about to meet, they avoid, and quicker than the eye can follow they are a yard or so apart. One of them then dances violently from one depression of the soil to another, arching the space between the two; at the end of it he fans out the tail and stands looking defiantly at his rival, who fans his and returns the glance, then makes a little run towards him, sweeping the ground with it. Instead of fighting, however, which both the champions seem to be chary of, one of them again runs into a hollow—this time a very shallow one—and begins to dance, but in a manner slightly different. He now hardly rises from the ground, over which he seems more to spin in a strange sort of way than to fly—to buzz, as it were—in a confined area, and with a tendency to go round and round. Having done this a little, he runs quickly from the hollow, plucks a few little bits of grass, returns with them into it, drops them there, comes out again,