

■•» i>** 







MICROSCOPIC PREPARATIONS OF THE NERVOUS SYSTEM. 



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



PHOTO MICROGRAPH XO. yS. ^i^^^^u-t-c^rtur /^— /5^g'<3, 



PRUMTED IN INK BY THE ARTOTYPE PROCESS FROM NECA riYES TAKEN BY THE AUTHOR. 



