He suffered from small-pox; on waking up in the night with a fever, he always cried for a piece of mortar.

The quantity consumed in twenty-four hours was about 1/2 teacupful.

The child had never been weaned.
Arsenic Eaters .-- It has been frequently stated that the peasants of Styria are in the habit of taking from two to five grains of arsenious acid daily for the purpose of improving the health, avoiding infection, and raising the whole tone of the body.

It is a well-substantiated fact that the quantities taken habitually are quite sufficient to produce immediate death ordinarily.

But the same might be easily said of those addicted to opium and chloral, a subject that will be considered later.
Perverted appetites during pregnancy have been discussed on pages 80 and 81.
Glass-eaters, penknife-swallowers, and sword-swallowers, being exhibitionists and jugglers, and not individuals with perverted appetites, will be considered in Chapter XII.
Fasting .-- The length of time which a person can live with complete abstinence from food is quite variable.