This is the seventeenth year since the original communication of Wagner von Jauregg on the treatment of dementia paralytica with malaria fever. In the course of these seventeen years many reports have accumulated from all over the world on this use of malaria; almost without exception the reports have been favorable. Therefore, it seems justifiable to state that malaria has a distinctly beneficial effect on patients suffering from dementia paralytica.
The questions that remain to be considered are: How favorable are the results to be obtained and what are the best methods? The present communication deals with a series of patients treated at the Boston Psychopathic Hospital between February 1925 and February 1931, analyzing the results of treatment in the year 1934. The common factor in the treatment was malaria, although other treatment may have been given prior to or subsequent to the treatment with malaria. This group of cases