AMPHISBAENA, a genus of limbless lizards; a serpent fabled to have two heads and to be able to move backward or forward.
"The Nuttall Encyclopaedia" by Edited by Rev. James Wood
Lucien then told l'Encuerado about the magpie and the amphisbaena.
"Adventures of a Young Naturalist" by Lucien Biart
Amphisbaena serpent, I, 31.
"A Budget of Paradoxes, Volume II (of II)" by Augustus de Morgan
In Greek mythology the amphisbaena was a serpent believed to possess two heads.
"The New Gresham Encyclopedia. Vol. 1 Part 2" by Various