(FROM OUR OWN CORRESPONDENT.)
Apparatus for Purifying the Air of Rooms of Phthisical Patients—Nervous Predisposition in the Etiology of Facial Paralysis—Therapy of Chronic Metritis—A New Truss.
At one of the last meetings of the Academy of Sciences, Dr. Brown-Séquard presented an apparatus invented by M. d'Arsonval, the object of which is to purify the air of a room occupied by phthisical patients. This apparatus is bell-shaped and placed at the head of the bed, under which the patient breathes. It is so arranged as to be in constant communication, by the aid of a tube, with a chimney which is heated by gas, a candle, or a lamp. The chimney, which also communicates by a tube with the external air, draws to it all the air that escapes from the lungs of the patient and is expelled outside. so that it does not mix up with the atmosphere of the