50 ounces of blood were taken.

Between the time of Dr.Dewees' visits, not more than an hour, the hair anterior to the coronal suture turned white.

The next day it was less light, and in four or five days was nearly its natural color.

He also mentions two cases of sudden blanching from fright.
Fowler mentions the case of a healthy girl of sixteen who found one morning while combing her hair, which was black, that a strip the whole length of the back hair was white, starting from a surface about two inches square around the occipital protuberance.

Two weeks later she had patches of ephelis over the whole body.
Prentiss, in Science, October 3, 1890, has collected numerous instances of sudden canities, several of which will be given:-- "In the Canada Journal of Medical Science, 1882, p.