Fragment of a votive stele, dating to 510 B.C., in the Acropolis Museum,
Athens.
The image represents the god Hermes leading a group of Nymphs. These
minor deities presided over every element of nature. There were, indeed,
the Nymphs of the sea, the Naiads who manifested themselves in rivers,
springs and streams, the Oreads who dwelt into caves and on mountains,
the Dryads who inhabited the trees, the Napeae who lived in cliffs and
valleys. Associated with poetic inspiration and to folly, the Nymphs
were generally object of popular local cults, mostly of them conducted
in caves or in the open spaces. The presence of these divine entities
reflects the representation of a personified and living natural world,
beneficent towards humans, but also potentially dangerous and unsettling,
a conception which probably goes back to the most ancient phases of
Greek history. The appearance of Hermes together with the Nymphs is
justified, not only by the fact that the god himself was the son of
a Nymph, Maia, living in a cave on Mount Cyllene, but mainly because
of Hermes’s association with sheep-farming, an activity which
took place in the regions that were on the borders between the cultivated
fields and the woodlands and mountains. In these territories, the shepherds
offered sacrifices at the same time to Hermes and to the Nymphs (Simonides,
fragm. 18 Diehl; Cassola 1994, p. 153).
[Source: http://library.artstor.org/library/]