Dr. Henneberg showed to the Berlin Psychiatric Society, numerous preparations illustrating the pathology of cysticercus in the brain. In the Clinique for Nervous and Brain Diseases at the Charity, there was at least one case revealed by dissection every year. Out of ten thousand post-mortem examinations there were in this hospital about sixteen in stances in which cysticerci were found in the brain. It is generally difficult to distinguish the presence of these parasites in the brain from a tumour. A patient ót.57 had epileptic seizures of the left side which lasted for five days till his death in the status hemiepilepticus. A cysticercus about the size of a walnut was found at the foot of the first frontal gyrus.