In the introductory chapter of his magnificent three-volume monograph, The Comparative Anatomy and Histology of the Cerebellum, Olof Larsell (1967; Larsell and Jansen, 1972) provides a history of the cerebellum in its gross aspects, which reads in part as follows (additional historical details can be found in Clarke and O'Malley 1968): Herophilus (335-280 B.C.) is usually credited with recognition to the human cerebellum as a distinct division of the brain.