The supernumerary leg was well formed and had a left foot attached to it.

Larkin and Jones mention the removal of a meningocele and a supernumerary limb from an infant of four months.

This limb contained three fingers only, one of which did not have a bony skeleton.
Pare says that on the day the Venetians and the Genevois made peace a monster was born in Italy which had four legs of equal proportions, and besides had two supernumerary arms from the elbows of the normal limbs.
This creature lived and was baptized.
Anomalies of the Feet .-- Hatte has seen a woman who bore a child that had three feet.

Bull gives a description of a female infant with the left foot double or cloven.

There was only one heel, but the anterior portion consisted of an anterior and a posterior part.