

mmmm. 



MICROSCOPIC PREPARATIONS OF THE NERVOUS SYSTEM. 



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



PHOTO-MICROGRAPH NO. / ^^/f-t.^-^^^n*'— ^/ca ,cU. v / &?'f 



PRINTED f.V INK BV THE ARTOTVPE PROCESS FROM NEGA TIl'ES TAKEN BV THE AUTHOR. 



