Note Return, Alpheus — MILTON’S MINOR POEMS.
Reading edition
132. Return, Alphēus. The Alpheus was a river of the Peloponnesus, said to sink underground and to flow beneath the sea to Ortygia, near Syracuse, where it attempted to mingle its waters with those of the fountain Arethusa. See note on lines 85, 86. See also Shelley’s poem, Arethusa.