In a large number, the histories—prepared on a uniform plan—were kindly contributed through the courtesy of many medical friends engaged in private practice.

It would be mere iteration to go over the histology of the second case, for the condensed statement immediately preceding would, in all important particulars, identify the second case as well. The latter was one of puerperal septicaemia, with maniacal symptoms; the vascularity was even more extreme than in No. 1, and the capillary haemorrhages more marked and frequent. There were many attenuated and vacant spaces, mostly perivascular, which were densely surrounded by neuroglia tissue.