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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-

Fig. 6. 7.—Tracings of the actual results in the two types: in the long trunk where corsets are early worn, this costal angle is permanently gone; in the other developed well. Severe though the pressure be, and ugly though the fat pads may bunch, the wide rib angle remains and the bowels hold their places.

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