Salmacis was an atypical Naiad nymph of Greek mythology. She rejected the ways of the virginal Greek goddess Artemis in favour of vanity and idleness.
Water Nymph Salmacis, engraving by Philip Galle (1587)
La nymphe Salmacis by François-Joseph Bosio, 1826 (Louvre)
In Greek mythology, the naiads are a type of female spirit, or nymph, presiding over fountains, wells, springs, streams, brooks and other bodies of fresh water.
Naiad
Undine, by John William Waterhouse
Gioacchino Pagliei - The Naiads, 1881
Fountain of the Naiads, 1888, Piazza della Repubblica, Rome