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 the dabchick or little grebe. It is pretty to see them, a dozen or so together. They pursue each other under the water—in anger, I think, but it has the appearance of sport; it is a joyous anger. They seem all in a state of collective excitement, and out of this one will make a sudden dart at another, who dives, and the pursuit is then alternately under or on the water, and sometimes just skimming along it on the wing, exactly as dabchicks do. Yet the black guillemot is a fair flier, having to ascend the precipices, and the dabchick too, for the matter of that, can if he chooses rise into the air and fly seriously. There are three modes of delivering the attack in fighting. In the first two the one bird either just darts on the other when quite near, in which case there may be a slight scuffle before either or both disappear, or flies at him over the water from a greater or lesser distance and often very nearly gets hold of him, but never quite. Invariably the other is down in time, if it be only the justest of justs. The third plan, which is the most rusé, is for the attacking bird to dive whilst yet some way off, and, coming up beneath his "objective," to spear up at him with his bill. And so nicely does he judge his distance that he always does come up exactly where the swimming bird was,—not is, for this one is as invariably gone. Yet this plan must sometimes be successful, though I did not see a case in which it was. At least, I judge so by the precipitation with which the bird on the water when he saw the other one dive—as he always did, and divined his intention—flew up and off to some distance. In just the same way have I seen the great crested grebe rise up and fly far over