When born, the corneas of both heads were transparent, but then became opaque from exposure.

The brain of the supernumerary head was quite visible from without, and was covered by a membrane beginning to slough.

On the right side of the head was a rudimentary external ear.

The nurse said that when the child sucked some milk regurgitated through the supernumerary mouth.

The great physiologic interest in this case lies in the fact that every movement and every act of the natural face was simultaneously repeated by the supernumerary face in a perfectly consensual manner, i.e., when the natural mouth sucked, the second mouth sucked; when the natural face cried, yawned, or sneezed, the second face did likewise; and the eyes of the two heads moved in unison.