original: "ferri" — of iron 435
To dig tunnels original: "Cuniculos." In a military context, these are mines or tunnels dug beneath enemy fortifications. on level ground against enemies 475; under water against ships 476
To extract oil from cypress wood 411
To fashion a cyanean gem original: "Cyaneam gemmam." A deep blue gemstone, possibly lapis lazuli or a blue glass imitation. 273
Drinking cups of wonderful form 622; so that it sticks to the mouth of the one drinking 525
The carp is generated from rotten dung 58

D

How weak wine may be corrected 229
The dolphin is attracted by the lyre 531
To strengthen teeth 341; dentifrices original: "dentifricia." Tooth powders or cleaning pastes. 390
That letters can be signaled by dust by day, and by fire by night 569
To heal hangnails original: "reduuias." Referring to painful bits of skin at the base of the fingernails. of the fingers 343
How we may play tricks on those reclining at the table 622
Distillation: what it is and its many types 398; how it corrects a foul odor, and how it may draw out more water 401; by the sun 404
To heal cold pains 353
How the herb dragon-plant original: "Draco herba." Likely tarragon or Dracunculus vulgaris. is produced 163
A flying dragon original: "Draco volans." In this period, this usually refers to a kite or a specific type of firework. 667
To fashion enamel of two colors 280

E

To remove drunkenness 521, 660; to induce it 521
So that food items are quickly cooked 505; how they are prepared without fire 518
How the elements are separated, both of metals and of herbs 443, 444
To catch an elephant by hand 5
Elixir: what it is, and to extract it from things (see above) 436
The tempering of swords 495
The dayfly original: "Ephemerus." is generated from the air original: "ex aere." In the context of spontaneous generation, Porta often discusses insects born from the elements. 529
The Epimenidean composition original: "Epimenidea compositio." A legendary mixture of herbs mentioned by ancient writers that supposedly allowed the philosopher Epimenides to live for years without hunger. for enduring hunger and thirst 221
Letters: how they may be put inside an egg 551; how they are hidden in wood, or in desserts 554; in animals, in clothes, in a belt, or in the entrails of animals 556; in stones 557; to send them by guns original: "sclopis." Early firearms or hand-cannons. 558; how they are closed and brought back without suspicion 567
How squadrons of horsemen may be put to flight 475
So that a horse rages more ardently for mating 62; it conceives from a man An ancient folklore belief regarding the influence of human presence or labor on animal breeding., so that it is born variegated 89; so that it is marked with white spots, and scars are covered with hair of the same color 94; so that it is made drunk 536; it is captured by music 532; how it may be driven away 658