that were bred at _Guilford_; when the Person at London has occasion to send an Express, he must roll up a little piece of Paper, and tie it gently with a small String pass'd thro'it about the Pigeon's Neck. But it must be observ'd before, that the Pigeons you design to send with a Message, be kept pretty much in the dark, and without Meat, for eight or ten Hours before you turn them out, and they will then rise and turn round till they have found their way, and continue their Flight till they have got home. With two or three of these Pigeon's on each side, a Correspondence might be carried on in a very expeditious manner, especially in Matters of Curiosity, or those things which tend to publick Good. I know a Gentleman that has set out on a Journey early in the Morning, where it was judged to be dangerous travelling, that has taken one of this sort of Pigeons in his Pocket, and at his Journey's End, which he tells me was near thirty Miles distant from his House, has turn'd off the Pigeon, and it has