APOLLONI IS  , surnamed o hixreohor (" the Surly or Crabbed"), a celebrated grammarian of

Alexandria, who lived in the reigns of Hadrian and Antoninus Pius . He spent the greater part of his life in his native city, where he died; he is also said to have visited Rome and attracted the attention of Antoninus . He was the founder of scientific grammar and is styled by Priscian gramenaticorum princeps . Four of his works are extant: On Syntax, ed . Bekker, 1817; and three smaller treatises, on Pronouns, Conjunctions and Adverbs, ed . Schneider, 1878 . Grammatici Graeci, i. in Teubner series; Egger, Apollonius Dyscole (1854) .