Statistics for occurrence #1 of “Megalopolis” in book 8, chapter 26 of Pausanias, Description of Greece:
...of water flowing over it. Forty stades above Melaeneae is Buphagium,and here is the source of the Buphagus, which flows down into the Alpheius. Near the source of the Buphagus is the boundary between Megalopolis and Heraea.
...