The only domestic animals which should ever be allowed free range in the orchard, are swine, and the different sorts of poultry. All of these will prove really useful in the destruction of vast numbers of the insects that are particularly injurious to our cultivated fruits, and which are often enormously multiplied in our old orchards. Swine, it is true, will sometimes learn to climb small trees that have very low branches, which they break off in their attempts to help themselves to the fruit--this has been observed particularly in peach and cherry orchards. These animals are of use too as earth-workers, when they have not been mutilated, for with their peculiarly formed snouts they will turn over a large extent of the surface, while in pursuit of the larvæ and pupæ of many of the destructive insects, that in such stages of their existence occupy the soil beneath our fruit trees; in this manner, swine are valuable adjuvants to the practical entomologist. The hog is a most useful scavenger, and also a great economist in the orchard, for, being omnivorous, after feeding upon the luxuriant herbage of the red clover, he takes his dessert from the fallen fruit, which, being defective, would otherwise be wasted: but we must remember that most of these wind-falls are occupied by the larvæ of insects which are thus put out of the way of doing further harm, while contributing variety to the porcine diet. The additions of manure to the soil, which are distributed over the orchard by these animals, are also found to be of service. Trees, which are frequented by swine, are generally healthy, and the bitter-rot is reported to have disappeared from orchards that were badly affected with that malady before the swine were admitted. The advantages resulting from keeping both swine and poultry, but particularly the latter, confined among plum trees, is a matter of general notoriety; nor need we inquire whether this depends upon the far-reaching instinct of the insect, which warns her against depositing her eggs where the progeny must surely be destroyed, or upon the actual destruction of the larvæ by these animals, to such an extent as to diminish the number of depredators the following season. We must not, however, depend upon these and other valuable aids, to the exclusion of personal efforts, if we desire to secure good crops of the delicious fruits that usually fall a prey to their attacks. In conclusion, the orchardist cannot be too strongly impressed with the importance of cultivating his young trees in the most thorough manner; nor can he exercise too much care in avoiding injury to the stems and roots, in practising this constant culture of the soil. In collections of dwarf fruit trees, he will have less difficulty on this score, because he will be restricted to hand-labor; but the spade and fork will be found much more expensive in their use than the plow and cultivator.