I542

When the Arms are extended behind the Back, the Elbows stand at the same Distance from each other, that is found, between the Elbow and the end of the long Finger; that is, the Elbows at their nearest Approach in this Disposition, are just removed from each other, the Space, that is between the Tip of the middle Finger and that of the Elbow; the two Arms in this Situation, forming a perfect Square: And the furthest reach of the Arm across the Stomach, is then seen, when the Elbow is found in the middle of the Stomach; so as that the Elbows, the Shoulders, and the Arms, form an Equilateral Triangle.