The bottom must be prepared in the same manner as directed for the seed-bed; then form the bed of dung four feet three inches at the back, by four feet in the front, allowing for a cavity of about ten inches between each box; then place the boxes on, and put the shovellings inside, in the proportion of two or three barrows-full to a light. In forming the bed, it is the best plan to make it in layers of about a foot each, which will cause the dung to be much better mixed, than if all finished at first, of an equal height. Be very particular in separating the dung, and breaking it to pieces, afterwards beating it well down with a fork. After the bed has been thus prepared, put the lights on, and shut them down close until the heat begins to rise. When such is the case, give them about an inch of air; and in three or four days wrap the bed all round with dry litter or useless hay, eighteen inches wide from the bottom, sloping it in to about a foot as high as the bed, which will greatly tend to promote a regular heat. As the careful wrapping up of the bed is an essential requisite, means must be taken to keep it close, and protect it from any injury that may arise in consequence of tempestuous weather, this may be accomplished by means of sharp-pointed sticks, with hooks in the form of a peg, and about the size and length of a broom-stick. Thrust these through the litter into the bed, about half way up, one to each light, at the back and front, and two at each end. After the bed has been made about a week or ten days, take off the boxes and lights, in order to level it, and let it have from four to six inches fall from the back to the front; in this, however, you must be in some degree guided by the form of the boxes, which it is necessary should have a good fall, that the plants may derive benefit from the sun; then fork up the bed about a foot deep, and again place on the boxes and lights, giving nearly two inches of air, both night and day. In about four or five days it will be necessary to again fork it up, and give it some water, in the proportion of two pots to a light. This must be repeated every two or three days, until the bed is perfectly sweet, which is usually the case in three or four weeks, applying water during that time, according to the state of the bed.