﻿Gibson and Concepcion: Nerve Degeneration.] 



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[Phil. Journ. Sci., IX, B, No. 1. 





Fig. 1. Fibers from tlie sciatic nerve of fowl 30 fed on palay for three months. 



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Fig. 2. Fibers from the sciatic nerve of fowl 31 fed on palay for two months. 



PLATE I. 



