E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
daughter of Nisus, promised to deliver Megara into the hands of Minos. To redeem this promise she had to cut off a golden hair on her fathers head, which she effected while he was asleep. Minos, her lover, despised her for this treachery, and Scylla threw herself from a rock into the sea. At death she was changed into a lark, and Nisus into a hawk. Scylla turned into a rock by Circe has no connection with the daughter of Nisus.