A Bilateral and Functioning Brenner Tumour of the Ovary.

the absence of mental changes and family history. Secondly, the meningeal reaction was not present. Thirdly, the lesion in the corpus stiatum was strictly confined to the caudate nuclei with normal lentiform nuclei. The thalamus showed no pathological abnormality. Fourthly, it is stated by various authors that the lesion in the corpus striatum affects principally the small ganglion cells with sparing of, or slight affection of, the large one (Jacob, 1923). In our case both types of cells were damaged and atrophied. Lastly in contradistinction to previously reported cases in which the main brunt falls on the fourth, fifth and sixth layers of the cerebral cortex with sparing of the first three layers, in our case just the reverse has occurred;.