SIR,Yours this moment I unseal, And faith I'm gay and hearty! To tell the truth and shame the deil, I am as fou as Bartie: But Foorsday, sir, my promise leal, Expect me o' your partie, If on a beastie I can speel, Or hurl in a cartie. YOURS,ROBERT BURNS.MAUCHLIN, Monday night, 10 o'clock.