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Show 334 MR. FORBES ON THE TRACHEA OF SELEUCIDES. [Mar. 21, I may take this opportunity of remarking that the various published figures of Seleucides nigra do not give a very accurate idea of the bird, as they fail to represent the peculiar way in which the leg-feathering ceases altogether some way above the " knee," leaving Lower portion of trachea of [Seleucides nigra rf, from before. Twice the natural size. 4, 5, 6, 7, 8, 9, 10, 11. Fourth, fifth, &c. (from bottom) tracheal rings, peculiarly modified. III. Third bronchial semiring, s.t, sterno-trachealis muscle, cut short. the large and muscular legs bare for about an inch or so above that joint. The eyes are brilliant red; the legs, including the bare skin above the " knees," pale red, the claws greyish. The mucous membrane of the mouth and superior surface of the tongue is bright emerald- |