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MICROSCOPIC PREPARATIONS OF THE NERVOUS SYSTEM. 



BY JOHN J. MASON, M. □., NEWPORT, R. I. 



PHOTOMICROGRAPH NO. /fi6 ■ cy^/c££e^ yS^y^>-0 ■ ^i. t^ /'tTSrO 



PRINTED IN INK BV THE .4RT0TVPE PROCESS FRO.M NEGA TIVES TAKEN BY THE AUTHOR. 



