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A Human Experiment in Nerve Division
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except near the wrist. Here there was a triangular area, shown on fig. 5, where cotton wool and No. 5 of von Frey's hairs were undoubtedly appreciated, although the skin was insensitive to prick.

Fig. 4: Floxor aspect of the forearm on the same date (May 16, 1903).
Fig. 5: To show tho loss of sensation on May 26, 1903 (thirty-one days after the operation). On the lateral aspect of the forearm near the wrist is shown the triangular area insensitive to prick and other cutaneous painful stimuli but sensitive to stimulation with cotton wool.