Speech was established after removal of the abnormal adhesion.

Routier speaks of ankylosis of the tongue of seventeen years' duration.
Jurist records such abnormal mobility of the tongue that the patient was able to project the tongue into the nasopharynx.

Wherry and Winslow record similar instances.
There have been individuals with bifid tongues, after the normal type of serpents and saurians, and others who possessed a supernumerary tongue.

Rev.Henry Wharton, Chaplain to Archbishop Sancroft, in his journal, written in the seventeenth century, says that he was born with two tongues and passed through life so, one, however, gradually atrophying.

In the polyclinic of Schnitzer in Vienna in 1892 Hajek observed in a lad of twelve an accessory tongue 2.4 cm.