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Rh His creatures, but adds to the cup of life so many innocent pleasures. Some birds are stationary, and, doubtless, it would have been easy to have ordered that all should be so; but now we find that many of the most beautiful and pleasing of the race pass and repass annually over a broad expanse of the earth, giving and receiving enjoyment as they move onward. Many of those which are the most cheering and delightful spread themselves over half the earth: among these are the delicate wrens and humming-birds, the gay swallows, those noble singers, the thrushes; while the larger and more dangerous birds of prey are few in numbers, and chiefly confined to particular regions. No doubt the change of food, of air, of climate, is a source of enjoyment to the birds; nay, the very effort of the journey itself is probably accompanied with that gratification which is usually connected with the healthful, natural exercise of the higher powers of every living being. And how much delight do they afford mankind! Their first appearance, with the hopeful hours of spring; their voices, their pleasing forms, their cheerful movements, nay, their very departure in autumn, all bring to our hearts some pleasures, and thoughts, and feelings, which we should not know without them. Wanderers though they be, yet the birds of one's native ground are a part of home to us.

Perhaps the birds generally follow the same course, year after year, in their annual journeyings. There are facts which lead one to believe so. It is already proved that the same individuals, of various tribes, will return to the same groves for many successive seasons. It has also been observed that certain birds are seen to the north and south of a particular region every year; but within certain limits they are never met with. Like the house-wren, for