Natural Magic

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A struck lyre moves another of the same tone lying nearby. A reference to sympathetic resonance, where one string vibrates in response to another tuned to the same frequency. 83
A lyre that induces sleep. 82
What magic is. 1
What sort of person a magician ought to be. 1
To fashion a mandrake. This likely refers to the practice of carving bryony roots or other plants to resemble human figures to sell as magical mandrake roots. 40
Various virtues of the magnet. 59 & 89
To prevent the growth of breasts. 61
Likewise, to gather crushed pearls into one mass. 112
Mechanical experiments. 59
Medicines of metals of the second order. In alchemy, "medicines" or "tinctures" of the second order were substances used to transform base metals into silver. 108
Medicines of metals of the third order. Medicines of the third order were intended to transform metals into gold. 109
To reduce metals into a body. 97
How metals are made heavy. 98
Wondrous experiments whose cause is unknown. 71

Investigation into the weight of a mixture. 26
How monsters are generated. In this context, "monsters" refers to biological anomalies or hybrids in plants and animals. 77
Remedies for women. 62
To test whether a woman be chaste. 73
A method of knowing whether a woman be untouched by intercourse or defiled by childbirth. 75

That women may bear beautiful sons. 77
So that women may be greatly delighted. 72
To restrain the urine in women. 71
A woman may recount her committed deeds in her sleep. 76

Cosmetics for women. 59
A lamprey fried, boiled, and roasted at the same time. A classic culinary "secret" involving cooking different parts of the fish using different methods simultaneously. 56
To change the myrtle so that it produces berries without pits. 36
To change the color of the eyes. 60
Onyx hung from the neck increases sadness in sleep. 120
The hatching of eggs without a hen. 79
Oil of eggs. 94
An egg that exceeds a human head in size. 56
That an egg may ascend into the air. 58
To breed white peacocks. 77
To produce multi-colored livestock. 76
Peony root hung from the neck frees one from the falling sickness original: "morbo comitiali"; a historical term for epilepsy, so named because it was thought to be an omen that could dissolve a "comitia" or public assembly in Rome.. 130