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22 characters, in any direction, are more appreciated than less extreme ones, by the breeders of fancy birds—pigeons, poultry, etc. The uniform brown form, however, as being less striking (though extreme at one end) is not, I believe, so much noticed as those various dunnish shades, which have, in my view, been classed all together, as the dark variety.

In regard to the young birds, I only remember those nestling ones which had feathers under the fluff, as brown, without any admixture of cream. But I had not, at that time, these matters in my mind, and, moreover, I did not see many. When older, however, and able to fly, all that I have seen have had a distinct colouring of their own—for their plumage has borne a considerable resemblance to that of the Great Skua (Stercorarius catarriactes), being mottled on the back with two shades of brown, a darker and a lighter one. I got the effect of this when I watched young birds flying or standing, and one day I caught one whose wing had been injured, and saw that it was so. This resemblance is increased by such birds wanting the two lance-like feathers in the tail. As I say, this mottled brown is the only kind of colouring which I have seen in these immature but comparatively advanced birds, and my impression is that, in the still younger birds, such mottling was either absent or not so noticeable. At any rate, I have no clear recollection of it.

My own explanation of all these facts is that Stercorarius crepidatus—by my faith, 'tis a pretty