^^ :-''C.. 





MICROSCOPIC PREPARATIONS OF THE NERVOUS SYSTEM. 



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



PHOTO-MICROGRAPII NO. -/a7 ^McM^^^t^ ■ / 'A A^ ■ /^^^ 



rRINTED !N INK BY THE .ARTOTYPE PROCESS FROM NEG.A T/YES T.4KEN BY THE AUTHOR. 



