

MICROSCOPIC PREPARATIONS OF THE NERVOUS SYSTEM. 



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



PHOTOMICROGRAPH NO. .^P^ ^ ^f-U^fr-ertAJ- ^6' /^TfC, 



PRINTED IN INK BY THE ARTOTVPE PROCESS FROM NEG.4 TIVES TAKEN BV THE AUTHOR. 



