"A MPUTATIONS ARE DICEY THINGS," remarked Bob Shaftoe some hours later. For a while, he had had that look on his face that warned Eliza he was pondering something, and likely to blurt out just such a ghoulish observation as soon as he took a whim to speak. "One strives to preserve the elbow, or the knee, at all costs, for that additional degree of articulation in the stump makes all the difference. In a below-the-elbow amputation, the hand is gone, and with it the ability to sense, to grasp, to caress. But yet there is the elbow, and the sinews to make it act. To turn the arm into a flail—a whole train of articulations, unfeeling, ungrasping, yet capable of action—yes, to put a flail on a stump is wholly fitting in a way."