Tarantallegra-- Makes
target dance
EXPLANATION: Forces victim to continually
perform an uncontrollable quickstep
WAND MOVEMENT: Point wand
at victim's knees
USES: (COS) Malfoy uses this spell on Harry at the first meeting of the Dueling Club when they were partners after Malfoy hit Harry with a spell before he was supposed to and Harry countered with a Tickling Charm
Transfigures an item into a pig (incantation
unknown)
EXPLANATION: Transfigures the
target into a pig
WAND MOVEMENT: Swish wand straight
down through air to point at item you wish to transfigure, and there is a flash of violet light and a sound like a firecracker
USES: (PS) Hagrid uses this spell
to attempt to transfigure Dudley into a pig when he arrives to bring Harry to Diagon Alley to shop for his required school materials; however, the only thing that happens is the growth of a tail: "meant ter turn him into a pig, but I suppose he was so much
like a pig anyway there wasn't much left ter do." =)