156 For the provenance of these regiments, particularly the large levies made by Trajan in the Eastern provinces, see the following section.

157 On the other hand, Legio IX Hispana, destroyed in Britain at the beginning of the reign, and XXII Deiotariana, which was probably annihilated in Judaea either at the same date or twenty years later, were not replaced until Marcus raised legions II and III Italica for the defence of Noricum and Raetia.