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Rh exertion, for they do sometimes make swift gliding circles through the air, not indeed without moving the wings at all, yet moving them but little, and at intervals—a few pulsations and then a sweep. Yet this is never very much. They seem to be just in the way of getting to something more advanced in flying, without quite knowing what they would be at. However, I think in time they will begin to understand, get a hint of their real feelings, like the heroines in novels, who find all at once that they have been in love for some while without noticing it. (Shakespeare's heroines, by the by, seem to have had a clearer insight into their state of mind—but then, there was more for them to know about.) They—the puffins, I mean, not the heroines—will often, when they leave their nests, mount up to a considerable height and then descend in a long slant to the sea. In this they are peculiar, as far as I have observed, and for some time I could not imagine why they did it; but tearing up some letters one day as I sat on the rock's edge and throwing them towards the sea, the pieces were carried upwards, some of them rising almost perpendicularly, and continuing to do so for some while before they were blown against the higher slopes of the cliff. The puffins, I then felt sure, must mount upon this upward current of air, either as a matter of enjoyment, or as finding it easier to do so. Probably it is the latter consideration which influences them, but ease is nearly allied to enjoyment, passes insensibly into it; and thus, in time, these little puffins may