article by William Ramsay, M.A., Professor of Humanity in the University of Glasgow on pp. 73-74 of "A Dictionary of Greek and Roman Antiquities", John Murray, London, 1875, edited by William Smith, D.C.L., LL.D. This article is in the public domain. The information contained herein, as such, may therefore be outdated. References Sources Ann Hyland: Equus: The Horse in the Roman World, Adrian Goldsworthy: The Complete Roman Army, William Smith, ed.: A Dictionary of Greek and Roman Antiquities, John Murray, London, 1875 Citations Roman auxiliaries Socii