BREEDING.--The nest of the arbour bird is one of those that are so well and curiously formed, commonly placed eight feet above the ground, in the fork of a tree. It is built of pieces of the white bark of the birch tree, dried plants, caterpillars' webs, wool, and the upper layer of down. All these white materials give it the appearance of being made of paper. It is lined with the finest hay. The female lays five eggs, which are at first of a pale rose red, but after having been sat upon some days acquire a dark flesh-coloured tint, speckled with dark red. This species has but one brood in the year, and if the nest is approached two or three times it will desert it, whether the young ones are hatched or not. If a person wish to have this pleasing bird in the house, as it is often seen in Hesse, he must take the young ones early from the nest, feed them on ants' eggs and bullock's heart chopped small, and always keep them in a warm place. As soon as the arbour bird has been placed in the situation destined for it, it must be left there constantly; its cage ought not to be changed, at least there should be no difference in the one given it afterwards, as without this attention it becomes sad, eats no longer, and dies in a short time. I may observe here, that it moults in December or January, whence we may infer that it passes the winter in a southern climate. DISEASES.--These are the same as the nightingale's. MODE OF TAKING.--This can rarely be accomplished but by placing limed twigs on the nest, which is a cruel method, and the nest is often deserted as soon as it has been approached. Neither will these birds go to the water-trap: they may be caught occasionally in bird-traps in August, by baiting them with currants[104]. The surest way then is to take them young, especially as the old ones cannot be tamed. ATTRACTIVE QUALITIES.--The song of the arbour bird is sweet, varied, full of power and melody, long sustained; yet some harsh strains have been remarked, and some resembling the notes of the chimney swallow. Whilst singing its throat is much dilated. Its call is _dak, dak! hyovie, hyovie!_ Its plumage is pretty. ACCOUNT OF THE ARBOUR BIRD, FROM THE "FIELD NATURALIST'S MAGAZINE." "British writers, since the time of Pennant and White, have rendered the history of several of our smallest birds a mass of confusion, which even now it will be difficult to clear up, though I feel confident I possess the means of loosening two at least of the knots of the controverted points, as I shall presently show.