like the quivering little spot of light which is thrown by the mirror of a galvanometer. His thoughts ran under it like a stream, some through the focus bright and distinct, some shadowy in the half-light of the edge. Just now the little glow was steady; but the least movement on Mowbray's part, the slightest sound from outside, even a faint difference in the slow movement of the living flesh he was cutting, set the light spot shivering and spinning. A new sense-impression came rushing up through the flow of thoughts, and lo! the light spot jerked away towards it, swifter than a frightened fish. It was wonderful to think that upon that unstable, fitful thing depended all the complex motions of the man; that for the next five minutes, therefore, my life hung upon its movements. And he was growing more and more nervous in his work. It was as if a little picture of a cut vein grew brighter, and struggled to oust from his brain another picture of a cut falling short of the mark. He was afraid: his dread of cutting too little was battling with his dread of cutting too far.
Then, suddenly, like an escape of water from under a lock-gate, a great uprush of horrible realisation set all his thoughts swirling, and simultaneously I perceived that the vein was cut. He started back with a hoarse exclamation, and I saw the brown-purple blood gather in a swift bead, and run trickling. He was horrified. He pitched the red-stained scalpel on to the octagonal table; and instantly both doctors flung themselves upon me, making hasty and ill-conceived efforts to remedy the disaster. "Ice!" said
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