Folklorists have a habit, when they are talking among themselves, of filing supernatural legends by what they call motif indexes, long, systematic catalogs in which every element of every story is assigned a number, so that variations across cultures can be compared. The Aarne-Thompson-Uther index, the standard one, runs to some fifteen thousand entries. It is, if you ever get the chance to flip through it, both exhilarating and slightly horrifying, a sense that somebody has done this enormous cataloging work and that the stories of the world are, in some specific way, a finite set.
What I want to offer in this piece is something much smaller and much more idiosyncratic: a short anthology of supernatural legends I have found striking, mostly during research for other pieces, organized not by motif but by region. Call it a walking map. Each legend is described briefly; each has a small annotation about where it comes from and why I think it's worth knowing.
There are seven of them. There could have been seventy. I have chosen these because, together, they make a particular argument I want to make, which is that the world's supernatural legends are not random, do not repeat the same themes across cultures, and tell you something specific about each landscape they came from. The ghost stories of a place are, among other things, a portrait of that place.
The Hidden Folk · Iceland
Icelandic folklore distinguishes, formally, between several different kinds of hidden beings: the huldufólk (hidden people), the álfar (elves), the dvergar (dwarves), and a scattering of other entities. What's striking about the Icelandic material, compared to most European folklore, is how casual it is. The hidden folk are not malevolent, usually. They are neighbors. They live in specific rocks, which are widely known and respected by the locals. Highway departments have been known, in recent decades, to reroute roads to avoid disturbing a rock that local tradition holds is inhabited.
This is, I think, what happens when a folklore tradition is preserved in a small, stable, rural population that did not go through the major European disruptions of the 16th–18th centuries. The material keeps its original shape. The hidden folk are what they always were, the spiritual landlords of a specific stone or hill, rather than being rewritten, as continental European folk beliefs were, into the demonological framework of early modern witch-hunting. Iceland got to keep its ordinary ghosts.
The Yuki-onna · Japan
The Japanese snow woman is a beautiful and terrible figure who appears in mountain passes during heavy snowfall. She is a white-clad woman, often carrying a child. She asks travelers for help. Those who help her die of cold. Those who refuse her also die of cold, unless they are lucky.
The yuki-onna is a useful example of how supernatural figures encode practical warnings. The snow woman is, on one level, a story about the very real danger of mountain passes in winter. On another level, she is a story about the moral impossibility of those situations, that a traveler who helps a stranger in a blizzard may be killed, and a traveler who refuses may be killed, and both responses may be wrong. The legend is not a guide to right action. It is an acknowledgment that some situations do not have right actions, only outcomes.
The yuki-onna is not a guide to right action. She is an acknowledgment that some situations do not have right actions, only outcomes.
The Fetch · Ireland
The fetch is, in Irish tradition, a double, a spectral duplicate of a living person, seen by witnesses who are not the person being doubled. To see someone's fetch is ominous. If you see it in the morning, the person has a long life ahead. If you see it in the evening, they are about to die.
I find the fetch particularly interesting because the folklore gives no real explanation of what the fetch is. It is not a ghost, because the person is still alive. It is not quite a premonition, because it is observed by others. The Irish tradition keeps the phenomenon enigmatic, the fetch is simply an entity that appears, means something, and departs. The ambiguity is the point. Some things in the world, the tradition seems to be saying, resist categorical explanation.
The Mapinguari · Amazon Basin
Deep in the Amazon, indigenous traditions from several different peoples describe a creature called the mapinguari, a large, hairy, foul-smelling being that walks on two legs, has a second mouth on its stomach, and is mostly nocturnal. Descriptions vary across the groups who know the legend, but the broad outline is consistent across several hundred miles of jungle.
There are biologists who have, without embarrassment, wondered aloud whether the mapinguari might be the folkloric memory of the giant ground sloth, which went extinct in the Americas about ten thousand years ago. Ten thousand years is a long time for an oral tradition to preserve anything specific. The claim is, at best, speculative. It is also not impossible. What we know for certain is that the legend exists, is consistent across multiple cultures, and describes something that does not currently live in the Amazon.
The Church Grim · England & Scandinavia
A specifically ecclesiastical ghost. When a new church was built, the tradition held that the first being to be buried in its churchyard would become the guardian spirit of the grounds. To avoid committing a person to this fate, some churches would arrange for a dog to be the first burial, producing a black dog that would haunt the churchyard, protect the graves, and, in some accounts, appear as an omen of death to parishioners who were soon to die.
The church grim is a lovely example of how folk religion interweaves pragmatism and the supernatural. The explanation, that the first grave binds a guardian to the place, is a theological claim. The workaround, bury a dog, is pure practical problem-solving. The tradition accepts both halves as non-contradictory, which is the kind of intellectual move most formal theology finds uncomfortable and most folk religion does without thinking about it.
The Erlking · German Forests
The Erlking — der Erlkönig, is a figure from medieval German folklore who is said to lurk in forests and lure travelers, especially children, to their deaths. He is most famous through Goethe's 1782 poem, in which a father rides through the forest at night with his sick son, whom the Erlking is trying to take. The son dies at the end of the poem. Whether the Erlking was real or hallucinated is, in Goethe's version, left deliberately ambiguous.
What I find moving about the Erlking material is how it distills a very specific anxiety, that the forest might take a child. This is not an idle fear. Children died in forests. They got lost; they got cold; they were attacked by wolves; they fell into streams. The Erlking legend is, among other things, a way of giving that danger a face. It turns a statistical fact (children sometimes die in forests) into a narrative (there is someone in the forest who takes them). The narrative is consoling, in a strange way, because it lets the tragedy have a meaning. The Erlking wanted the child. The child did not die for nothing.
For anyone wanting to follow these legends into the actual scholarship, the Folklore Society journal has done some of the best recent work on regional material. The Aarne-Thompson-Uther tale-type index is still the standard taxonomic reference for classifying stories of this kind. And the Sacred Texts Archive's Northern European collection has free English translations of most of the primary sources I've cited, including the older German and Nordic ones. Related material on how folklore gets cut and reshaped is in The Fairy Tales the Grimms Cut Out.
The Tikbalang · Philippines
The last in my small anthology. The tikbalang is a creature from Philippine folklore, a tall, humanoid figure with the head of a horse, long limbs, and the power to confuse travelers at night. If you are walking a familiar path at night and suddenly find yourself lost, the tikbalang is said to be responsible. The traditional countermeasure is to turn your shirt inside out, which breaks the enchantment.
I love the practicality of this. A supernatural crisis. A domestic solution. The folk tradition does not suggest elaborate ritual or clerical intervention. It suggests that you check whether your shirt is on backwards. This is, I think, what a lot of good folklore looks like, under the supernatural framing: a storage mechanism for practical tips about how to survive a confusing world, wrapped in the narrative containers that made them memorable.
All seven of these legends are, for my money, worth knowing, not because they are true in any literal sense, but because they preserve a way of thinking about the world that formal history does not preserve. The shape of a place's anxieties. The things its people thought worth warning each other about. What happened, in the imagination, when the map ran out. I find myself returning to them, in my own work, more often than I return to most of the formal historical literature.