Materia Medica
Animal Substances
Musk, ambergris, coral, pearls, bezoar stones, unicorn’s horn, and mummy: the remedies the old medicine took from living things.
27 entries · An introduction to Galenic pharmacy

AnimalBezoar stoneFrom the Persian panzehr or the Arabic badzehr, “counterpoison”
A concretion formed in the stomach of goats and other animals.
AnimalCantharidesSpanish fly; Lytta
The dried blister beetle Lytta vesicatoria.Deadly
AnimalCastoreumCastoreum
The scent gland secretion of the beaver.

AnimalCochinealGrana, coccinella
The dried insect Dactylopius coccus, a parasite of the prickly-pear cactus of Mexico and South America.

AnimalCrabs’ eyesLapides cancrorum, oculi cancrorum
Chalky stones from the stomachs of crayfish.

AnimalCuttlefish boneOs sepiae
The chalky internal shell of the cuttlefish, washed up on beaches.
AnimalEarthwormLumbricus terrestris; oil of worms
The common earthworm, washed in wine, dried, powdered, or boiled in oil.

AnimalHartshornCornu cervi
The antlers of the red deer, rasped, burnt, or distilled.
AnimalHuman fatAxungia hominis, poor sinner’s fat
Fat rendered from the bodies of the executed.
AnimalIsinglassIchthyocolla, fish glue

AnimalLeechHirudo
The medicinal leech, Hirudo medicinalis.
AnimalMummyMumia
Powdered embalmed human remains, sold by the apothecaries.


AnimalSnailLimax, cochlea; snail water
Garden snails, shelled and boiled, distilled, or eaten.
AnimalSpermacetiSperma ceti, “whale’s seed”
A white wax from the head of the sperm whale.
AnimalToadBufo
The common toad, dried, powdered, or worn.Caution
AnimalUnicorn’s hornAlicorn; cornu unicornis
Almost always the tusk of the narwhal, Monodon monoceros.
AnimalViperVipera; trochisci de viperis
The flesh of the viper, Vipera species, dried into troches.

AnimalWoodlouseMillepedae, sows, slaters
Woodlice, the small crustaceans of damp places under rocks and logs, called millepedes in the old pharmacopoeias.
Historical description, not medical advice.