I N D E X.

contributes to prolonging life. 93
Why boys and women are most caught by the plague. 270
A powder from moister fruits that prevents corruption. 67
A powder against the plague. 304. 305. etc.
Sudden and violent purging is to be avoided. 31. 37
Purging of black bile. 36
Exquisite purging makes one age. 97
Under which signs it is appropriate to purge. 138
The precepts of Pythagoras. 260

Q

Aromatic quality. 101
The five enemies of students. 14. 15

R

That the rays of the stars can affect things differently according to their nature. 190. 191
The rays of the stars penetrate the mass of the earth even to the center. 187

The efficacy of the celestial ray. 189
Different virtues are born when rays strike in one way or another. 290
The canon of Rasis Rhazes, a famous medieval physician. 276
The precept of Rasis for keeping youth for a long time. 60
That the rational principles of things are as many as there are ideas in the divine mind. 118
That the effect of a thing depends on the disposition of the subject and a strong agent. 268 (170)
Rue herb is effective against poisons.

S

The faculty of sugar. 77
That the ancient priests were both physicians and astrologers. 252
Sage is friendly to the teeth. 99
Sage is contrary to paralysis. 170
Blood serving the spirit. 4
How you may recognize the sanguine. 292
That the vein is to be cut only for the sanguine. Ibid.
Things clarifying the blood. 288.