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106 flies down with the chick on its back, but it does not follow that there is no other way of explaining it. I think there is another; for though the chick, when it leaves the ledge, may not be able to fly in any true sense of the word, yet it might make a shift to flutter down to the sea, in a line sufficiently diagonal to avoid the danger of striking upon the face of the cliff where it projected at a lower elevation, or upon the rocks at its base. This may not be likely, but at least it is possible, and, on the other hand, if the parent guillemots do really carry their chicks down, why do they not do so shortly after they are hatched, or, at least, much sooner than they do? Why should they feed them on the ledges for a fortnight or three weeks, for I think they are as long as that there, during all which time they are getting larger and heavier? Though the young guillemot keeps so quiet on the ledge, yet it has the full use of its limbs, and seems quite as forward and capable as are young chickens and ducklings. It would, no doubt, be at home in the water at once, if only it were put there. Does it, then, wait until it can get there itself, or does the parent bird take it? This question I hope to be able to answer before I leave here.

A bird that has no chick now brings in a fish to the ledge, and seems not to know what to do with it. At last he puts it down, and another bird—not, I think, the partner, but it may be—takes it. It seems as though the instinct of feeding the young still continued with this bird, though its young one is gone.