Not many years since, I received a letter from a family in a retired village of the Green Mountains, begging me to visit one of their number, a young woman about twenty-seven years of age. She was a farmer's daughter, and had been, in early life, employed as is customary in such families in that region; but, for a few years past had been employed, a considerable portion of the time, in teaching in the district or public schools. It is probable she exchanged the employments of home for the labors of the pedagogue, on account of increasing ill health (though of this I am not quite certain), since nothing is more common or more hazardous. The daughters of our agriculturalists, who inherit, as she did, a scrofulous constitution, and who appear to be tolerably healthy while they remain at home, almost always break down within a few years after leaving the broom and duster. But whatever may have been the first cause or causes of her diseased condition, it is probable there had been both action and reaction. She was now, at the time I received her most piteous petition, quite ill, and had been so for a considerable time. However, in order to come at the case and the results, it may be as well to make a few extracts from the letters of her friends and herself. For, though they were not accustomed to such descriptions of a case as a medical man would be apt to give, yet, for popular perusal, they are, after all, the more useful. My first extract will be made from a long letter written by her brother. "The first attack of what we suppose to be her present disease, was a year ago last spring, and was believed to be the result of taking severe colds repeatedly, while teaching school among the mountains of New Hampshire, and which ended in what Dr. K. (their family physician) called inflammation of the lungs, and was treated accordingly. There was much cough and expectoration of mucus. Though she partially recovered, so as to be able to teach again the ensuing summer, yet her cough was somewhat troublesome till autumn, when health seemed again to smile upon her. "Late in the fall, however, she had a very severe attack of diarrhoea,--caused, perhaps, by imprudence in diet, and sundry other deviations from a straight line,--which has been her constant companion ever since. (This was a period of eight months.) During all this time her food has passed almost without being dissolved. There is much pain in the stomach and bowels, unless mitigated by opiates, morphine or something analogous. But very little cough has attended her since the last attack of diarrhoea. There has been some pain and soreness in the right side; an eruption over the region of her stomach, swelling of the feet and ankles, whenever fatigued by walking, with pain and soreness in the left ankle.