Imagination and terror undoubtedly account for certain general symptoms in this class of injury. Colonel Nicholas Pike, a competent observer, records a case of a man slapping his hand down upon a window sill and feeling a lively stab in the palm. At the same moment a small spider ran across the back of his fingers and was captured. There was a distinct puncture in the hand. Here, then, was a definite case, where the wound and the insect were both in evidence. But examination of the arachnid's fangs satisfied Colonel Pike that they were far too small and weak to penetrate the tough skin where the wound was. Meantime the victim exhibited the classic symptoms of venomous poisoning: num............