The lambs are first driven into a small enclosure. Select the ewe from the ram lambs, and let the former go. Two assistants are necessary. One catches the lambs; the other is seated on a low bench for the purpose of taking the lamb on his lap, where he holds it by the four legs. The operator, having previously supplied himself with a piece of waxed silk and the necessary implements, grasps the scrotum in his left hand. He then makes an incision over the most prominent part of the testicle, through the skin, cellular structure, &c. The testicle escapes from the scrotum. A ligature is now passed around the spermatic artery, and tied, and the cord is severed, bringing the testicle away at one stroke of the knife. As soon as the operation is completed, the animal is released. The evening is the best time for performing the operation, for then the animal remains quiet during the night, and the wound heals kindly. NATURE OF SHEEP. "The sheep, though in most countries under the protection and control of man, is not that stupid and contemptible animal that has been represented. Amidst those numerous flocks which range without control on extensive mountains, where they seldom depend upon the aid of man, it will be found to assume very different character. In those situations, a ram or a wether will boldly attack a single dog, and often come off victorious; but when the danger is more alarming, they have recourse to the collected strength of the whole flock. On such occasions, they draw up into a compact body, placing the young and the females in the centre, while the males take the foremost ranks; keeping close by each other. Thus an armed front is presented to all quarters, and cannot be easily attacked, without danger or destruction to the assailant. In this manner they wait with firmness the approach of the enemy; nor does their courage fail them in the moment of attack; for when the aggressor advances to within a few yards of the line, the rams dart upon him with such impetuosity, as to lay him dead at their feet, unless he save himself by flight. Against the attack of a single dog, when in this situation, they are perfectly secure." THE RAM.