The Aganippe reference article from the English Wikipedia on 24-Apr-2004
(provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Aganippe

Aganippe is the name of a fountain and the nymph (a Crinaea) associated with it in Greek mythology. Aganippe was the daughter of Ternessus. The well is in Boeotia, near Thespiae, at the base of the mountain Helicon. It was created by the hooves of Pegasus and was associated with the Muses.