We often meet in our aviaries with what are called mule canary birds, that is, the offspring of the gray linnet and the canary. "In the country, where the domestic fowls are accustomed to wander to a considerable distance from the farm-yard, I believe it is no uncommon occurrence for a chicken to make its appearance, that is evidently the offspring of the partridge and common hen. Indeed, I am inclined to think that the breed between fowls of the same genus are oftener crossed than we are aware of."

It is a common practice in the country, to set a hen, as it is calltd, with ducks' eggs; and the agony which she suffers, when she sees her young charge first take to their natural element, the water, has often been observed with sympathy. The following anecdote may be relied upon, as the circum stance was observed by a gentleman of science :A hen, which was employed to hatch some ducks' eggs in the neighbourhood of a dyer's mill, where there was a small pond, was observed to exhibit the usual symptoms of terror and alarm when the ducklings first took to the water; but by degrees she became quite reconciled to their habits, and was accustomed to enjoy herself, in great quietness, on the banks, while they gamboled in the pool. For two or three years she uniformly brought out ducklings, and at last, as regularly led them to the water as their natural dam would have done.

In the course of time, however, she brought out a brood of chickens. These she immediately led to the side of the pool also ; but, on finding they did not enter the water, she became quite uneasy, invited them close to it, made every motion for them to enter it, flew over the pond, and then called them to follow, but all to no purpose. When she found that nothing would entice them to enter the water, she actually seized upon one or two of them, and threw them into it; and, if she had not been prevented, it is believed she would have drowned her whole progeny. This shows how much the native habits, even of fowls, may be changed by circumstances; and proves, in some degree, the existence of memory without judgment in the feathered tribes.

Some years ago, a farmer in the lower district of Annandale, took it into his head to rob a wild duck of her eggs, and to place them under one of his tame ducks, that was sitting at that time. The young brood (twelve in number) came into the world at the usual period, but one only continued with her stepdame. This extraordinary bird, however, never perfectly acquired the habits or dispositions of her new sisterhood : she never would associate with the tame drakes, but every spring left the farm-yard, and proceeded to the wilds in quest of mates; and, what was remarkably singular, she seemed to have a malicious pleasure in leading them into a snare, and was at great pains to draw them into such situations as admitted of their being easily shot, or otherwise destroyed. She always hatched her young in a peat moss, at some distance from the house, but never failed to bring them to the farm-yard, as soon as they were able to follow her. When this duck was about four years old, the owner was visited by a kinsman from Fife, who was so much taken up with her, that he begged for, and obtained her, as a present. She was put into a cage, and by him conveyed to his house near Kinross. She was kept in confinement for a night and a day; when seeming perfectly contented, she was let out into the yard, where she set about adjusting herself for some time; she then suddenly took wing, and in the course of a few hours was among her old companions in Annandale. She was a second time conveyed to Fife, and her wings clipped.

She continued perfectly happy, to appearance, till her feathers grew, when she again bade her new friends farewell. She was shot in the neighbourhood of Biggar, by a gentleman, who communicated the circumstance to the owner, whose name he learned from the collar that was found about her neck, containing his name and place of abode.