For twenty-five years Miss Martha Bumps had dedicated her energies to the teaching of Wyoming country schools. Some who knew her well affirmed that she had made money thereby; and this statement will doubtless be given credence by all who are not themselves school-teachers. After relinquishing the dreams in which most women of thirty indulge, and deciding once and for all that she would give the best of her life to teaching, she had spent much thought and ingenuity in scheming how such a vocation could be a distinctly pleasurable one. Ten years of boarding in homesteaders' cabins, of sleeping with the youngest child, and eating salt pork three times a day, of drinking condensed milk on ranches devoted solely to cattle, and of riding miles to her place of business in all kinds of weather--these experiences had been fruitful in the extreme. Now she boarded nowhere. Instead, she lived in her own two-room house, which, clapboarded, shingled, windowed and doored after the manner of all houses, was mounted upon four stout cart-wheels, and driven by an obliging trustee of one district to the next chosen field whenever Miss Bumps decided that the time had come to make a change. Arriving at her destination, the house was drawn to the best site near the school, the horses were unhitched, and the trustee, riding and leading, started homeward, leaving Miss Bumps to begin her double labors in her new situation.