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MICROSCOPIC PREPARATIONS OF THE NERVOUS SYSTEM. 



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



PHOTOMICROGRAPH 1X0 (p^- cX^Cjt^e^i^ ^^^--'^^ . /e^t^ . __ YS'fiO 



PRINTED /iV INK By THE ARTOTVPE PROCESS FROM NEGA TIVES TAKEN BY THE A UTHOR. 



