LET your wrists be tied together with a hankerchief, then have a length of clothes-line, about twelve feet, passed through the space enclosed by your arms, and the ends be tied. Let the assistant stand away at the end of the doubled rope. To release yourself from the rope without untying the handkerchief, you must first pull hard against the holder of the rope so as to get it well between the wrists. Now, on slackening the rope, the fingers can seize it and work it through the handkerchief till a loop is within, through which one hand is slipped. A pull from the assistant will disengage the rope wholly from the hands and arms..... Dancing and Jumping in a Glass, to answer different Questions. To show that this head is free from mechanism, several crown pieces are placed in the bottom of a glass, covered with a, close lid, which, notwithstanding, does not hinder this head from jumping into the glass, to answer any questions proposed. At the same time a bunch of rings, seen in another glass at a little distance, perform the same motions as by sympthy. Explanatiom.-A second head, both being of patty baked and gilded, is put in the place of the first shown to the company, which is taken off the table on which the operation is to be made. This second head is fastened to a thread, which, passing through the table, reaches under the floor to the confederate, who dances either the rings or head at pleasure, in order to correspond properly with the conjurer and the rings jump in like manner at pleasure....