Dromedarii were camel riding auxiliary forces recruited in the desert provinces of the east Roman empire. They were developed to take the place of horses where horses were not common. They were also very successful against enemy horses, as the smell of the camel is absolutely repulsive to a horse and will quickly make them reluctant to enter battle or even stay in the immediate area. Secondary SourcesDixon, Karen Ramsey and Pat Southern (1997). The Roman Cavalry: From the First to the Third Ce… (More on Dromedarii)