... of compression in the lingual and brachial nerves, as high as their exit from the basis of the cranium and the vertebrae of the neck; but they appeared to us more compact than they commonly are, being nearly tendinous. The dura mater was in a sound state, but the pia mater was full of blood and lymph; on it several hydatids, and towards the falx some marks of suppuration were observed. The ventricles were filled with water, and the plexus choroides was considerably enlarged, and stuffed with grumous blood. ... — An Essay on the Shaking Palsy • James Parkinson