Geoffroy-Saint-Hilaire cites an example of anencephaly which lived a quarter of an hour.

Fauvel mentioned one that lived two hours, and Sue describes a similar instance in which life persisted for seven hours and distinct motions were noticed.

Malacarne saw life in one for twelve hours, and Mery has given a description of a child born without brain that lived almost a full day and took nourishment.

In the Hotel-Dieu in Paris in 1812 Serres saw a monster of this type which lived three days, and was fed on milk and sugared water, as no nurse could be found who was willing to suckle it.
Fraser mentions a brother and sister, aged twenty and thirty, respectively, who from birth had exhibited signs of defective development of the cerebellum.

They lacked power of coordination and walked with a drunken, staggering gait; they could not touch the nose with the finger when their eyes were shut, etc.