[9] Previously to the issue of the royal warrant of 1751, which directed the Number to be painted, or embroidered, on each colour of every regiment, it had been the practice to designate regiments by the names of their Colonels, adding, in some instances, the colour of their Facings, particularly when two regiments were commanded by colonels of the same name:—for example, the Nineteenth was commonly called "the Green Howards" between 1738 and 1748, in order to distinguish it from the Third regiment, or Buffs, of which Lieut.-General Thomas Howard was the colonel during that period.