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PHOTO MICROGRAPH A oJi>f. ^:t't-f. J. A, WILLIAMS, "^^507. N'rw"' (:■■ BY JOHN J. MASON, M. D., NEWPORT, R. I. PHOTO-MICROGRAPH NO. y^ ^j^yJ-CCctxn^^ /6~ /?*-«?. PRINTED IN INK BY THE ARTOTYPE PROCESS FROM NEGATIVES TAKEN BY THE AUTHOR. HA' BY JOHN J. MASON, M. D., NEWPORT, R PHOTO-MICROGRAPH XO.'// y^^o-^^^.^-.-^n*^ Ya~, /S-fw. PRINTED IN INK BY THE ARTOTYPE PROCESS FROM NEGA TIVES TAKEN BY THE AUTHOR MC, 1 HA' •;vArD lY CAMBPIDGL. MM uSA MICROSCOPIC PREPARATIONS OF THE NERVOUS SYSTEM. BY JOHN J. MASON, M . D., NEWPORT, R. I. PHOTO 'MICROGRAPH XO. 7:2.- /s^s-o PRINTED IN INK BY THE ARTOTVPE PROCESS FROM NEGA TIVES TAKEN BY THE AUTHOR. •>• a. WILLIAMS, , -3ITY MA USA ■•» 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. RSITY USA MICROSCOPIC PREPARATIONS OF THE NER\ BY JOHN J. MASON, M. □., NEWPORT, R. I. 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