There are innumerable cases in gardening where the spade must be used. It is perhaps the most essential of all garden implements. But there are also innumerable cases where the digging fork could be used to great advantage. It is remarkable, however, how difficult it is to get a laborer to use the digging fork in these cases. He sticks to the spade through thick and thin, though the " thin " can be done in double the time and with half the labor the spade implies. Even the contemned monkey will learn faster than some men.