the decreasing availability of fodder for horses in 1864 led the confederate trans-mississippi department to prohibit the raising of additional mounted regiments in arkansas. however, when general sterling price received authorization to conduct a campaign in missouri, some of the new regiments were mounted to accompany him. the 44th, 45th, 46th, 47th, and 48th officially became mounted infantry regiments. they were rarely referred to in reports and orders by their numbers, and price referred to them as mcgehee's cavalry, crabtree's cavalry, etc. this later resulted in their being known as the 44th cavalry, 46th cavalry, etc.