1. A nymph of lake Tritonis in Libya, who according to an ancient tradition was the mother of Athena by Poseidon. (Hdt. 4.180; Pind. P. 4.20.) By Amphithemis she became the mother of Nasamon and Caphaurus. (Apollon. 4.1495.)
William Smith. A Dictionary of Greek and Roman biography and mythology. London. John Murray: printed by Spottiswoode and Co., New-Street Square and Parliament Street. In the article on Soranus, we find: "at this present time (1848)" and this date seems to reflect the dates of works cited. 1873 - probably the printing date.