Thus we see in _natural_ swarming, _with the bees left to themselves_, the old queen leaves with the first swarm, at about the time the queen cells are sealed over and finished, which is about eight days before the young queens hatch. When the young queens hatch, after-swarms (as second and third issues, or all after the first,) will issue. Second swarms may be expected in about eight days after the first. This time will sometimes vary, as the hatching of the queen somewhat depends on the weather, the number of bees left in the old stock, etc.; a low temperature retards the hatching, while a high temperature forwards it. At evening of about the eighth or tenth day after the first swarm, by putting your ear close to the hive you will hear, very plainly, every few minutes, several clear and distinct "peeping" sounds, very sharp at times, then hoarse and dull. This sound proceeds from the young queen just hatched. When it is heard, look out for a swarm the next day; though it sometimes happens that one or two days will intervene before they will issue. But as long as the sound continues, be on the lookout for swarms. This "peeping" can always be heard before a second swarm issues, if we will take the trouble to listen. The time between second and third swarms is invariably from one to four days. It is useless to look for after-swarms from a stock _after twenty_ days from the first. They are generally all out within sixteen days from the issue of the first swarm. I have given in another place, under the head of "Swarming Controlled," instructions how to manage swarming under my new system. Some additional information I will give in this connection. Just before swarms are expected, if there are no trees near your hives, or if there are large trees from which it would be difficult to take a swarm of bees were they to cluster on the branches, procure several evergreen trees, such as spruce or fir, three or four feet high. Leave the limbs on, excepting about a foot at the bottom. Sharpen the trunks, so they can be set in the ground and lifted out with ease. With a bar make large holes, about a foot deep, in front of your hives, some distant about six feet, others from twelve to thirty feet. Set a half-dozen or more of these trees in these holes, putting in by the side of them a small stone or piece of wood, to hold firmly in place and prevent swaying by the wind. When your swarms issue, they will be very likely to cluster on some of these trees, when they can be conveniently gathered in the Controllable Hive.