The revival of interest in the terebinthinates of late has resulted in the extensive use of terebine in bronchial affections. Dr. Prosser James has recently called attention, in the Lancet, March 10, 1888, to two other allied products, and more particularly to their use in diseases of the respiratory mucous tract. These are the essential oil of the mountain pine, and hydrate of terpin.
The Mountain Pine, Mugho, or Pinus pumilio of Lambert, is the tree from which exudes the Hungarian balsam, once so highly prized. By distilling the young branches with water a volatile oil is obtained, which has been known for a long time as "oleum templinum" or " Krummolzöl," and is the most potent agent in the so-called "pine-cure" of Reichenhall and other German spas. As the vapor of the water escapes into the inhalation rooms it is medicated with the volatile oil. By an improved process and