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 tending forwards the head and neck in the direction of each in turn.

As there were a good many females in this "reunion," the numbers of the males about any one of them at one time was not great. Some of them were attended by only one cavalier or left quite lonely for a time—but all kept shifting and changing. The birds kept always swimming on, and were now all together, now scattered over a considerable surface of water. Sometimes two males would court one hen, who would then often demonstrate between them in the way I have described. Often, however, the male birds are in excess of the females, and sometimes there will be only one female to a number of males, who then press so closely about her that they may almost be said to mob her, though in a very polite manner. There are then frequent combats between the males, one making every now and again a sudden dash through the water at another, and seizing or endeavouring to seize him by the head or scruff of the neck. The two then struggle together till they both sink or dive under the water. Shortly afterwards they emerge separately, and the combat is over for the time. During, if not as a part of, these nuptial proceedings, the birds of both sexes will occasionally rise in the water and give their wings a brisk flapping. They may also occasionally dive as a mere relaxation, or to give vent to their feelings, at least so it appeared to me.

The female eider-duck—as far as I could observe—does not utter the curious note, but only a deep quacking one, with which she calls to her the male birds. It appeared to me that she would sometimes