Arthur Henry Lane spent three years on a cattle farm in the United States of America. He then qualified (MRCVS, London) in 1892 and entered the Army Veterinary Department with the rank of lieutenant in November 1893. From June 1894 to April 1897 he was seconded to the Egyptian Army. He came to the Cape Colony as a regular officer in the Army Veterinary Department in 1897. In 1898 Duncan Hutcheon* published an article, written by Lane, on osteoporosis in horses, in the Agricultural Journal of the Cape of Good Hope. This or a related article later appeared under Lane's name in the Veterinary Journal (1900) under the title "Bone disease amongst horses in South Africa". During the Anglo-Boer War (1899-1902) he initiated the concept of a mobile veterinary unit to collect and treat abandoned sick horses, an idea which was only officially established in 1913. The Mafeking Mail of 15 October 1901 records that he inspected all the cattle in the Mafikeng area following a report from Bulawayo that a consignment of Mafikeng cattle that had arrived there by train was infected with rinderpest. No rinderpest was found and the authorities in Bulawayo had to admit that they had misdiagnosed. In 1902, at the conclusion of the Anglo-Boer War, Lane was stationed at Harrismith and had attained the rank of Captain. He was awarded both the Queen's Medal and the King's Medal and returned to England in 1903.
Lane retired with the rank of major in December 1913 but was recalled in August 1914 at the outbreak of World War I (1914-1918). He served in France in 1916 but in 1917 relinquished his commission for health reasons and was granted the honorary rank of lieutenant-colonel.
Lieutenant-Colonel Arthur Henry Lane later wrote The alien menace (London, 1928, 92p; 5th ed., 1934), in which he argued for the repatriation of undesirable aliens from South Africa, and The hidden hand (London, 1938, 36p). Both works dealt with what he perceived as a Jewish threat to the economy and social life of British people.