Medusa part of their religion. Medusa was beheaded by the hero Perseus, who thereafter used her head, which retained its ability to turn onlookers to stone, as a weapon until he gave it to the goddess Athena to place on her shield. In classical antiquity the image of the head of Medusa appeared in the evil-averting device known as the "Gorgoneion". The three Gorgon sisters—Medusa, Stheno, and Euryale—were all children of the ancient marine deities Phorcys (or "Phorkys") and his sister Ceto (or "Keto"), chthonic monsters from an archaic world. Their genealogy is shared with other sisters, the Graeae, as in
Catholic sisters and nuns in Canada care for the long-term sick, the homeless, and orphans. On a smaller scale, Catholic orders of nuns operated similar institutions in other provinces. In 1833 at the request of Bishop Michael Anthony Fleming, the Presentation Sisters came to Newfoundland from Galway and opened a school for children. Within weeks the sisters were inundated with new pupils, the children of the Irish of St. John's, who saw education as the best means of economic and social advancement. In 1842, Fleming invited the Sisters of Mercy to come to teach girls and to help create a Catholic middle class. The Presentation Sisters,