The following investigation was undertaken for the purpose of obtaining further information with regard to the prevalence of syphilis among the insane in this country. There seems to be comparatively little accurate information bearing on this topic, probably because there are few insane asylums in which the Wassermann reaction is performed as a routine procedure.
Ivey1 reported the results of a Wassermann test among the negro insane of Alabama. The test was performed in every case in the asylum, with the following results: 357 males were examined, of whom 90, or 25 per cent., were positive; 349 females were examined, of whom 102, or 29 per cent., were positive. Among the 90 males positive, 48 showed clinical signs of syphilis, and among the females positive, 49 showed clinical signs. It is an undoubted fact that syphilis is more common among the negro race than among the white race, and