Basilisk

Overview

The basilisk is a small but disproportionately destructive serpent in classical accounts, and a creature with several different bodies in later European texts and images. Its royal name is explained through authority over other snakes and a pale crownlike marking. A lethal look, dangerous breath, a terrifying hiss and the weasel’s opposing power recur in different combinations. The sources disagree about size, appearance and mechanisms of harm; their claims should be read as particular literary and manuscript witnesses.

Pliny places the animal in Cyrene. Bostock and Riley’s translation gives a maximum length of twelve fingers; the Rackham excerpt renders the measure as a foot. A white head mark resembles a diadem, and the animal moves with its middle raised instead of proceeding through successive coils. Other snakes flee its hiss. Its influence ruins shrubs and grass, and even breaks stone. The opening comparison with the preceding catoblepas passage supplies the claim of lethal sight. Pliny reports a belief that poison can travel up a mounted man’s spear and kill both rider and horse. His counterforce is the weasel: introduced into the basilisk’s hole, it kills the creature through its odour but also dies. These reported marvels are not verified effects of a real snake.

Lucan gives the basilisk a place in the serpent catalogue of Book IX of the Civil War. The catalogue follows the story of Medusa’s blood falling on Libyan soil, within the poem’s account of Cato’s desert march. The basilisk’s raised royal head and hiss drive the other serpents away. A later episode makes its danger pass up Murrus’s lance into his hand. In the inspected English version, Murrus severs the affected limb and survives to watch it perish. This individual escape differs from Pliny’s report of the mounted attacker’s death; the two episodes should not be combined into one outcome.

In Arthur Golding’s 1587 rendering of Solinus, the name cockatrice is used for an almost half-foot serpent with a mitrelike marking. Its poison affects land and air, prevents birds from passing above its lair, and makes its victims unfit for scavengers. Weasels are sent into its hiding places. Solinus also reports that the people of Pergamus bought a dead specimen and suspended it in a golden net in Apollo’s temple to keep away birds and spiders. That is a historical author’s claim about a powerful carcass, not an authenticated surviving specimen. Golding’s vocabulary also shows why the names basilisk and cockatrice cannot always be separated by a simple modern rule about body shape.

The Aberdeen Bestiary, MS24, presents its own combination on folios 66r–66v. The creature’s scent drives away or kills other crawling animals, while its gaze destroys humans and flying birds. Its prose describes a half-foot animal with white markings and uses regulus and sibilus as related names. A further passage connects a bite near water with hydrophobia and madness, and attributes killing power to its hiss. Men introduce weasels into the hiding places, where they pursue and defeat it; the compiler interprets the remedy through the Creator’s ordering of the world. The university’s commentary identifies a raptor’s beak, cockscomb, wings, claws and tail in the miniature. That birdlike picture must remain distinct from both the folio’s short serpent description and Pliny’s account.

Thomas Browne’s discussion takes a more questioning approach without rejecting every old claim. In the selected 1672 sixth edition of Pseudodoxia Epidemica, he distinguishes the ancient serpent from the familiar winged, legged cockatrice. He describes manufactured examples made from ray or skate skins, adding that he had examples made to satisfy his own curiosity. He doubts the rule that whichever creature looks first must kill the other, and rejects a cock’s egg incubated by a toad as a regular means of producing a basilisk. His argument about incubation separates the warming of an egg from the kind of animal that develops. Yet he still entertains harmful emissions at a distance and other ideas that are not modern biology. The chapter documents a selective critique, rather than a complete experimental disproof of every basilisk tradition.

Origins & earliest records

Pliny and Lucan provide first-century CE literary witnesses among the sources compared here. Aberdeen MS24, made in England around 1200, is a later manuscript witness; Golding’s Solinus translation is dated 1587, and the selected Browne text is the 1672 sixth edition of a work first published in 1646. These publication and manuscript dates do not establish the first use of the name or the origin of every motif. Earlier Greek references require separate examination.

Records & interpretation

Surviving texts, manuscripts and images document the basilisk’s cultural history. Pliny’s dead-body report and Solinus’s temple carcass are claims in literary sources, not authenticated specimens available here. Browne records both criticism and remaining belief. The alleged effects on sight, water, air, vegetation and bodies are attributed historical assertions, without biological or medical validation.

In the literature

Selected bibliography

Documented works and useful reading. This is not a list of every appearance.

1. 01

   Aberdeen Bestiary, University Library MS24, 66r–66v

   Anonymous medieval compiler; University of Aberdeen transcription and translation · c.1200

   Selected surviving folios inspected; text and image are treated as distinct evidence.

2. 02

   Natural History VIII.78

   Pliny the Elder; H. Rackham, translator · 1st century CE; 20th-century translation

   Earlier serpent account compared with the medieval manuscript without merging their anatomies.

3. 03

   Natural History VIII.32–33, preceding catoblepas comparison and The Serpents Called Basilisks

   Pliny the Elder; John Bostock and H. T. Riley, translators · First century CE; inspected translation volume II, 1855

   Chapter 33, p. 282, with the preceding sight comparison; distinguishes reported effects and the mutually fatal weasel encounter.

4. 04

   Civil War / Pharsalia, Book IX, serpent catalogue and Murrus episode

   Lucan; Edward Ridley, translator · First century CE; translation concordant with the inspected 1896 edition

   Book IX basilisk catalogue, p. 290, and Murrus episode, p. 293, in the 1896 Longmans, Green edition. These passages match the Project Gutenberg text; its exact underlying print impression remains unidentified. Located passages and Medusa context were read, not the complete book.

5. 05

   The Excellent and Pleasant Worke of Iulius Solinus Polyhistor, chapter XXXIX, basilisk passage

   Solinus; Arthur Golding, translator · Ancient compilation; English translation 1587

   Located Cyrene passage uses cockatrice for the small serpent and reports the Pergamus temple carcass.

6. 06

   Pseudodoxia Epidemica III.vii: Of the Basilisk

   Thomas Browne · First edition 1646; selected sixth edition 1672

   Chapter pp. 130–134 discusses ancient and modern forms, fabricated specimens, distant poison, priority of sight and supposed generation.

7. 07

   Aberdeen Bestiary MS24, De basilisco / De regulis

   Anonymous medieval compiler; University of Aberdeen transcription/translation · c.1200

   Selected complete basilisk text on66r–66v; preceding dragon and following viper descriptions kept separate. Medieval Latin transcription and modern English translation inspected digitally; original folio pixels not newly checked.

8. 08

   Natural History VIII.32–33, catoblepas comparison and basilisk

   Pliny the Elder · 1855

   Inspected volumeII1855 English translation; complete chapters32–33 digitally read. Ancient composition first centuryCE; ebook release not substituted for edition.

9. 09

   The Excellent and Pleasant Worke of Iulius Solinus Polyhistor, selected XXXIX basilisk passage

   Solinus · 1587

   ArthurGolding1587 English translation, explicitly chapterXXXIX in the hosted excerpt. Full selected excerpt read; entire chapter/book not claimed.

10. 10

    Pseudodoxia Epidemica III.vii, Of the Basilisk

    Thomas Browne · 1672

    First edition1646; selected sixth1672, pp130–134. Complete main chapter independently read; modern JamesEason annotations distinguished from Browne.

11. 11

    Pharsalia / Civil War IX, basilisk catalogue and Murrus episode

    Lucan · 1896 translation; hosted impression unidentified

    Gutenberg602 header omits translator/print edition. Opening and full Murrus passage match EdwardRidley, ThePharsaliaofLucan, LongmansGreen1896, direct title transcription https://en.wikisource.org/wiki/Page:The_Pharsalia_of_Lucan;_(IA_cu31924026485809).pdf/7 and Cornell scan OCR https://archive.org/details/cu31924026485809 . Exact underlying ebook impression not established; later1919 wording differs. Only selected BookIX passages read, not full poem.

Family, evolution & connections

Located primary passages

Specific passages supporting details in this entry, grouped by their published witness.

References

Sources supporting this profile. Linked pages have their own scope and editorial standards.

1. Primary textUniversity of Aberdeen, MS24 folio66rResearch access: 2026-10-05
2. Primary textUniversity of Aberdeen, MS24 folio66vResearch access: 2026-10-05
3. ReferenceUniversity of Manchester, Aberdeen Bestiary project and manuscript datingResearch access: 2026-10-05
4. Primary textPliny, Natural History VIII.78, selected English excerptResearch access: 2026-10-05
5. Historical literary translationPliny, Bostock–Riley volume II, Book VIII.32–33Research access: 2026-10-05
6. Historical literary translationLucan, Book IX, Project Gutenberg English textResearch access: 2026-10-05
7. Historical literary translationSolinus, Golding 1587, selected chapter XXXIX passageResearch access: 2026-10-05
8. Primary textBrowne, Pseudodoxia Epidemica III.vii, sixth-edition textResearch access: 2026-10-05
9. Primary printed translation and bibliographic witnessRidley 1896 Pharsalia, Cornell University Library scanResearch access: 2026-10-05

Image credits

Basilisk

Image associated with the exact linked encyclopedia article; consult credited file description for its interpretation.