strewing them with dust, before they commenced their exercises, as well as the regulation of their diet, was the duty of the aliptae. [ALIPTAE.] These men sometimes also acted as surgeons or teachers. (Plut. Dion. c. 1.) Galen (l. c. ii. 11) mentions among the gymnastic teachers, a σφαιριστικός, or teacher of the various games at ball; and it is not improbable that in some cases particular games may have been taught by separate persons. The games and exercises which were performed in the gymnasia