Medicine—Stethoscopic Percussion—Tic de Salaam—Sulfonal in Enuresis—Thiosinamine—Oleo-Stearate of Zinc—Calcium Chloride in Pruritus—Salicylate of Sodium and Bromide of Potassium in the Irritable Temper of Gout and Cardiac Disease—Resorcin in Skin Disease

chell, M.D. (May 1896.)?This is performed with a binaural stethoscope which has a clamp audi screw uear the sound-receiving end, and to this is attached a solid wire rod connected with a head-piece, consisting of two plates which fit on the forehead and occiput. Both hands are left free for percussion, while the instrument ismoved by a slight inclination of the head, and sufficient pressure is exerted by the forehead to steady the instrument. Its chief use is in outlining, by percussion, the various organs of the body or abnormal growths. As the margin of the solid organ is reached the contrast in the percussion sounds is