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Week 8 Session: Where classification fails

肥遗 names two incompatible snakes and a bird across two chapters, 窫窳 has two records that cannot describe one body, and the entry form has a single name field that cannot hold either fact.

26 April 2027 · Phase 2, Push it until it strains

The rule this week states

One name takes many creatures and one creature takes many names, and no field in the entry can hold either fact.

What this week does

Week 7 showed a name outliving its record. This week the name field fails while the record is still in front of you, and it fails in two directions at once. A name can take more creatures than one. A creature can take more names than one. The entry form has a single name field and cannot hold either fact.

Four sections, two for each direction:

  1. One name, three creatures — 肥遗, over two incompatible snakes and a bird.
  2. One creature, two bodies — 窫窳, with 旋龟 and 天吴 doing the same at two smaller scales.
  3. Names that multiply — 并封, 相柳 and 讙.
  4. Why both obvious repairs assume the thing in dispute.

Example 1: one name, three creatures

Specimen

肥遗 féiyí

Feiyi bicorporeum binomial assigned by this course, not by the text

Kind
蛇, the word the record uses
Form
a snake with one head and two bodies; also a quail-like yellow bird with a red bill; also a six-legged, four-winged snake written 肥𧔥
Habitat
渾夕之山 in the north, 英山 and 太華之山 in the west
Omen
見則其國大旱 and 見則天下大旱 — that state goes dry, or the world does
Use
食之已癘,可以殺蟲 — the bird cures pestilence and kills vermin
Records
  1. 北山經 · 北山經之首 · 渾夕之山Northern Mountains · first northern section · Mount Hunxi

    有蛇一首兩身,名曰肥遺,見則其國大旱。

    There is a snake with one head and two bodies. It is called 肥遺. Where it appears, that state goes dry.

  2. 西山經 · 西山經之首 · 英山Western Mountains · first western section · Mount Ying

    有鳥焉,其狀如鶉,黃身而赤喙,其名曰肥遺,食之已癘,可以殺蟲。

    There is a bird there, shaped like a quail, yellow-bodied with a red bill. It is called 肥遺. Eat it and it cures pestilence, and it can kill 蟲, vermin.

  3. 西山經 · 西山經之首 · 太華之山Western Mountains · first western section · Mount Taihua

    有蛇焉,名曰肥𧔥,六足四翼,見則天下大旱。

    There is a snake there. It is called 肥𧔥, and it has six feet and four wings. Where it appears, the world goes dry.

One name over a snake, a bird and a third thing, with contradictory omens and a use belonging to only one of them. 郭璞 notices and writes 疑是同名, a suspicion rather than a ruling. The worst case in the book, and the anchor of week 8.

Quoted from 山海經 (the Classic of Mountains and Seas), 四庫全書本,郭璞注 — the Siku Quanshu text with 郭璞's (Guō Pú) commentary. Interlinear notes removed; the base text is otherwise unaltered.

肥遗 (féiyí) has three records. 北山經之首 gives a snake with one head and two bodies, at 渾夕之山, and a national drought. 西山經之首 gives a bird at 英山, quail-shaped, yellow-bodied with a red bill, which cures pestilence and kills vermin. Also in 西山經之首, at 太華之山, a snake again — a different one, six feet and four wings, spelled 肥𧔥, with a total drought.

Lay the three side by side. One snake has two bodies and no legs; the other has six legs and four wings. One omen is national and the other is total. The bird has no omen and is the only one of the three with a use. There is no character on which any two of them agree.

郭璞 (Guō Pú) saw this in the fourth century and wrote 疑是同名 — a suspicion that the name is merely shared. Not a ruling. The oldest commentator on the text reached for the escape hatch this session is about to reach for, and declined to close it.

Example 2: one creature, two bodies

Specimen

窫窳 yàyǔ

Yayu dracocephalum binomial assigned by this course, not by the text

Kind
the record never says
Form
dragon-headed and like a 貙 in one record; snake-bodied with a human face in the other
Habitat
in the 弱水, west of 狌狌; and the inner west, where it is a thing that was killed
Records
  1. 海內南經Within the Seas, South

    窫窳龍首,居弱水中,在狌狌之西,其狀如貙,龍首,食人。

    窫窳 has a dragon's head. It lives in the 弱水, west of 狌狌. It is shaped like a 貙, a lynx-like beast, with a dragon's head, and it eats people.

  2. 海內西經Within the Seas, West

    窫窳者,蛇身人面,貳負臣所殺也。

    窫窳 has a snake's body and a human face. It was killed by 貳負's servant.

Two records that cannot both describe one body. A taxonomy has to pick one, and neither record supplies a reason to prefer it.

Quoted from 山海經 (the Classic of Mountains and Seas), 四庫全書本,郭璞注 — the Siku Quanshu text with 郭璞's (Guō Pú) commentary. Interlinear notes removed; the base text is otherwise unaltered.

窫窳 (yàyǔ) fails more quietly. 海內南經 puts it in the 弱水 with a dragon’s head, shaped like a 貙, eating people. 海內西經 makes it snake-bodied and human-faced and already dead, killed by the servant of 貳負. Neither record is defective. They cannot be the same body.

The same failure runs at two smaller scales.

Specimen

旋龟 xuánguī

Xuangui avicapitum binomial assigned by this course, not by the text

Kind
龜, the word the record uses
Form
bird-headed, viper-tailed in one record and turtle-tailed in the other; sounds like wood splitting
Habitat
怪水 below 杻陽之山, and 豪水 below 密山
Use
佩之不聾,可以為底 — wear it against deafness, and against calluses
Records
  1. 南山經 · 南山經之首 · 杻陽之山Southern Mountains · first southern section · Mount Niuyang

    其中多玄龜,其狀如龜而鳥首虺尾,其名曰旋龜,其音如判木,佩之不聾,可以為底。

    In it there are many 玄龜, shaped like a turtle but with a bird's head and a viper's tail. They are called 旋龜, and their sound is like wood splitting. Wear one and you will not go deaf, and it can be used against 底, calluses.

  2. 中山經 · 中次六經 · 密山Central Mountains · sixth central section · Mount Mi

    其中多旋龜,其狀鳥首而鼈尾,其音如判木。

    In it there are many 旋龜, shaped with a bird's head and the tail of a 鼈, a soft-shelled turtle. Their sound is like wood splitting.

Two records, one name, two tails, and only one of them carries a use. Either the species is wrong or the tail is not a character.

Quoted from 山海經 (the Classic of Mountains and Seas), 四庫全書本,郭璞注 — the Siku Quanshu text with 郭璞's (Guō Pú) commentary. Interlinear notes removed; the base text is otherwise unaltered.

旋龟 (xuánguī) is viper-tailed at 杻陽之山 and turtle-tailed at 密山, with the sound of splitting wood in both.

Specimen

天吴 tiānwú

Tianwu octocipitum binomial assigned by this course, not by the text

Kind
神, the word the record uses
Form
eight heads with human faces; eight feet and eight tails on a blue-yellow back in one record, a tiger's body and ten tails in the other
Habitat
the outer east, and the great wilds of the east
Records
  1. 海外東經Beyond the Seas, East

    其為獸也,八首人面,八足八尾,背青黃。

    As a beast it has eight heads with human faces, eight feet and eight tails, and a blue-yellow back.

  2. 大荒東經Great Wilds, East

    有神人,八首人面,虎身十尾,名曰天吳。

    There is a god-person with eight heads and human faces, a tiger's body and ten tails. It is called 天吳.

A 獸 in the first record and a 神人 in the second, with the tail count changing between them. Eight heads is the only character that survives both.

Quoted from 山海經 (the Classic of Mountains and Seas), 四庫全書本,郭璞注 — the Siku Quanshu text with 郭璞's (Guō Pú) commentary. Interlinear notes removed; the base text is otherwise unaltered.

天吴 (tiānwú) disagrees with itself across the boundary week 6 spent an hour on: a 獸 with eight tails in 海外東經, a 神人, a god-person, with ten in 大荒東經. Eight heads is the only character that survives both readings.

So the disagreements are graded. One tail-tip, one tail count and one kind-word are survivable; a dragon’s head against a human face is not. Nothing in the entry form marks where on that scale a given conflict sits.

Example 3: names that multiply

The second direction is easier to see and harder to repair.

并封

Specimen

并封 bìngfēng

Bingfeng bicipitum binomial assigned by this course, not by the text

Kind
the record never says
Form
like a pig, black, with a head at each end
Habitat
east of 巫咸 in the outer west; and the great wilds of the west, named 屏蓬
Records
  1. 海外西經Beyond the Seas, West

    并封在巫咸東,其狀如彘,前後皆有首,黑。

    并封 is east of 巫咸. It is shaped like a pig, with a head at the front and a head at the back, and it is black.

  2. 大荒西經Great Wilds, West

    有獸,左右有首,名曰屏蓬。

    There is a beast with a head on the left and a head on the right. It is called 屏蓬.

The second record gives the same symmetry a different name and drops the pig. Two names for one animal, or two animals sharing a trick.

Quoted from 山海經 (the Classic of Mountains and Seas), 四庫全書本,郭璞注 — the Siku Quanshu text with 郭璞's (Guō Pú) commentary. Interlinear notes removed; the base text is otherwise unaltered.

并封 (bìngfēng) is a black pig with a head at each end in 海外西經. In 大荒西經 a two-headed beast is named 屏蓬, with no pig and no colour — and the heads are on the other axis, 左右, left and right, rather than 前後, front and back. The two records usually read as one creature under two names do not agree about the one feature they are supposed to share.

Specimen

相柳 xiāngliǔ

Xiangliu novemcipitum binomial assigned by this course, not by the text

Kind
the record never says
Form
nine heads with human faces, a snake's body, green; it eats from nine lands
Habitat
the outer north; and the great wilds of the north, named 相繇, minister to 共工
Records
  1. 海外北經Beyond the Seas, North

    相柳者,九首人面,蛇身而青。

    相柳 has nine heads with human faces. Its body is a snake's, and green.

  2. 大荒北經Great Wilds, North

    共工臣名曰相繇,九首蛇身,自環,食于九土。

    共工's minister is called 相繇. It has nine heads on a snake's body, coiled round on itself, and it feeds on the nine lands.

Neither record says what kind of thing it is. The two differ by one character in the name and by everything in the framing.

Quoted from 山海經 (the Classic of Mountains and Seas), 四庫全書本,郭璞注 — the Siku Quanshu text with 郭璞's (Guō Pú) commentary. Interlinear notes removed; the base text is otherwise unaltered.

相柳 (xiāngliǔ) is nine human-faced heads on a green snake’s body in 海外北經, and 相繇, minister to 共工, in 大荒北經.

Specimen

讙 huān

Huan monoculatum binomial assigned by this course, not by the text

Kind
獸, the word the record uses
Form
like a wildcat, one eye, three tails, its cry holding a hundred voices
Habitat
翼望之山, on the third western route
Use
可以禦凶,服之已癉 — it wards off ill, and taken as medicine it cures fever
Record
  1. 西山經 · 西次三經 · 翼望之山Western Mountains · third western section · Mount Yiwang

    有獸焉,其狀如狸,一目而三尾,名曰讙,其音如奪百聲,是可以禦凶,服之已癉。

    There is a beast there, shaped like a wildcat, with one eye and three tails. It is called 讙, and its cry is like a hundred voices at once. It wards off ill, and taken as medicine it cures 癉, fever.

The same character names two mountains and a country elsewhere in the text, and its own mountain has a namesake in 中次十一經. Four referents, no collision the text notices.

Quoted from 山海經 (the Classic of Mountains and Seas), 四庫全書本,郭璞注 — the Siku Quanshu text with 郭璞's (Guō Pú) commentary. Interlinear notes removed; the base text is otherwise unaltered.

讙 (huān) shows why this is not a spelling problem. The character names a one-eyed, three-tailed wildcat at 翼望之山, and it also names mountains and a country elsewhere in the text. Four referents, and the text notices no collision at all, because the text is not indexing by name.

Why both obvious repairs assume the thing in dispute

Adding a synonyms field looks like the fix. It is not. A synonym list asserts that two names denote one thing, which is the conclusion under dispute, and it writes that conclusion into a data field where it stops looking like a claim.

Splitting 肥遗 into three species asserts the opposite — that the names are unrelated — which is precisely what 郭璞 declined to assert with better access to the text than anybody in this room.

The failure is in the form, not in the text

The text is not confused. It is not indexing by name, so a name colliding with another name costs it nothing.

The failure belongs to the entry form, which assumed a name picks out a kind and put one field there to prove it. Every system in week 12 inherits this assumption unless it says otherwise in writing.

What you leave with

The field you could not design, written down as a paragraph naming what it would have to do: hold a suspicion that two names denote one creature, without recording that suspicion as a fact, and survive being sorted.

Nobody has produced one in this session yet, and the paragraph is the artefact rather than a failure to produce one. Week 9 looks at two bestiaries that never had this problem, because neither of them ever claimed that a name picks out a kind.

The spec

What you bring to the session. Written so a reader can tell whether it has been met without asking you.

Teaching team