Occasionally

however, it persists through life. Sénile baldne (calvities) is one of the most familiar signs of old age. It commences in a small area at the crown, where the natural hair is first replaced by down before the skin becomes smooth and shining. From this area the proce extends in all directions. It is more common in men than women. A precisely similar condition occurs not unfrequently at an earlier age (presenile baldne ). It is generally due to hereditary tendency; but is favored by keeping the head closely covered, especially with a waterproof cap. The best authorities agree that this form of baldne is incurable. Great lo of hair frequently follows severe illne es or other causes which produce general debility. As health returns, the hair usually returns with it.