722 THE CONJOINT BOARD OF SCIENTIFIC SOCIETIES. the autopsy a tumour was found, springing from the side of the infundibulum and occupying anteriorly the space between the anterior commissure above and the optic tracts below. The chiasma was flattened over the basal aspect of the growth, which was mainly interpeduncular and had distended the third ventricle and separated the hemispheres at the base. Microscopically it appeared to be of epithelial origin. All that could be found of the pituitary

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... ody was the pars anterior and remnants of the pars intermedia, infiltrated in parts by the large cells of the tumour. The pineal body was very small and showed definite atrophic changes, with disappearance of cellular elements.