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Cross-Species Switches are a type of Transfiguration that is caused when Transforming spells are modified in certain ways[1]. They are presumably a type of Switching Spell that changes certain aspects of different species and may therefore be Trans-Species Transformation.

History

The fourth year transfiguration students at Hogwarts School of Witchcraft and Wizardry were given homework on Cross-Species Switches, as listed below:

  1. Describe, with examples, the ways in which Transforming Spells must be adapted when performing Cross-Species Switches[1].
  2. If bodyweight is A, viciousness is V, intended transformation is T, wand power is W and concentration is C, and assuming T=(WxC)/(VxA)xZ then what does Z equal?[2]

Nature

It is easier to preform Cross-Species Switches when the creatures are similar in appearance or structure.

Appearances

Notes and references

  1. 1.0 1.1 Harry Potter and the Goblet of Fire, Chapter 22 (The Unexpected Task)
  2. Harry Potter and the Philosopher's Stone (film) - Scene 14 (Potions and Parcels)


Transfiguration (class)
COS Vera Verto demo
Branches of Transfiguration Transformation · Vanishment · Conjuration · Untransfiguration
Known practitioners Circe · Emeric Switch · Falco Aesalon · Mirabella Plunkett · Thaddeus Thurkell
Professors Albus Dumbledore · Minerva McGonagall
Textbooks A Beginner's Guide to Transfiguration · Intermediate Transfiguration · A Guide to Advanced Transfiguration
Transfiguration spells studied at Hogwarts
Colour Change Charm (Colovaria) · Change of hair colour and style (Crinus Muto) · Hardening Charm (Duro) · Mending Charm (Reparo) · Reparifarge · Softening Charm (Spongify) · Switching Spell · Vanishing Spell (Evanesco)
Conjuring Spells Bird-Conjuring Charm (Avis) · Inanimatus Conjurus Spell · Orchideous · Snake Summons Spell (Serpentsortia)
Transforming Spells Animal to Water Goblet (Vera Verto) · Beetle Buttons · Cat to Cauldron (Felifors) · Cauldron Cakes to Cabbages · Chair to cat · Cross-Species Switches · Desk Into Pig · Dinner plate to mushroom · Goldfinch to Golden Snitch · Flobberworm to Fritter · Gnomes to Lawn Gnomes · Guinea fowl to guinea pig · Hedgehog to pincushion · Lovebird to Love Note · Match to needle · Meddling Man to Monkey · Mice to Snuffboxes · Owl to Opera Glasses (Strigiforma) · Pawn to Queen · Porcupine to Pin Cushion (Hystrifors) · Small Child to Rat · Small Object to Dragon (Draconifors) · Snail to Teapot · Target to Bird (Avifors) · Target to matchbox (Flintifors) · Target to Rabbit (Lapifors) · Teacup to gerbil · Teacup to Rat · Teapot to tortoise · White Rabbits to Slippers
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