NERVE OVERLAP — PAIN SENSE — PERIPHERAL NERVES 367 



areas of skin become sensitive to pain or are found sensitive to 

 pain following section of a given nerve, and the condition is due 

 to nerve regeneration, then simultaneous section of an adjacent 



Fig. 4 Sensory loss resulting from complete section of the external popliteal 

 nerve. The algesic areas within the accepted sensory distribution of the nerve 

 are found adjacent to the areas supplied by the intact internal popliteal and 

 internal saphenous nerves. 



28. H. E. G. S. W. H. E. Upper third leg, November 4, 1918. Operated 

 May 8, 1919. Examined April 11, 1919. 



29. K. G. G. S. W. M. G. B. Upper third leg, October 14, 1918. Operated 

 May 26, 1919. Examined June 30, 1919. 



30. S. F. G. S. W. M. G. B. Lower third thigh, August 18, 1918. Operated 

 May 5, 1919. Examined April 28, 1919. 



31. K. J. G. S. W. H. E. Knee, October 14, 1918. Operated May 5, 1919. 

 Examined April 28, 1919. 



32. N. M. G. S. W. M. G. B. Upper third leg, June 24, 1918. Operated 

 April 24, 1919. Examined June 15, 1919. 



33. S. W. G. S. W. H. E. Middle third thigh, October 3, 1918. Operated 

 June 23. 1919. Examined July 29, 1919. 



