avers that her corset is not tight is confronted by the flight of the needle of an aneroid. The pressures that cause prolapse or affect the post-partum uterus can be demonstrated either on the skin surface or in the vagina or rectum.
Description.—On the wall, at any convenient height for reading its face, hangs a mercury manometer like any of the sphyg-momanometers. The most convenient is the aneroid of Short-
Mason, the "Tyco" sold by Meyrowitz of Twenty-third Street, New York, which is about the size of a watch. A short piece of tubing connects below, with a T, one arm of which leads to a bulb, the other by tubing to a bag, The bag, which goes under the corset measures 5x5 cm. The 1 1/2 meter tubing must be of rubber that is inelastic or approximately so. All the joints