[praetor 72 BC] Quintus Arrius was a Roman Praetor in 72 BC. A supporter of Lucius Gellius Publicola, he is known to have been involved with the defeat of Crixus during the Third Servile War{Cn|date=June 2013} ... Found on http://en.wikipedia.org/wiki/Quintus_Arrius_(praetor_72_BC)