Telemachus Eucharis
The references are to Fénelon's Adventures of Telemachus which tells the story of how Odysseus' son Telemachus, accompanied by Mentor (Athena in disquise) arrive shipwrecked on the island of Calypso. Due to the machinations of the gods, Telemachus falls in love with the nymph Eucharis. See para1416_note1 above.