In 1905 the position of Inspector-General of Police and Prisons in Ceylon, was separated into two posts with the incumbent Major Albert Walter De Wilton continuing in the Prisons role and Longden, on loan from India, appointed as Inspector General of Police of Ceylon.[2] Longden was instrumental in establishing a Police Training School for new recruits and a Criminal Investigation Department.
In 1910 Ivor Edward David was appointed as Inspector General of Police and Longden returned to his position in Madras.
In 1911 he was awarded the King's Police Medal,[3] whilst he was the District Superintendent of Police, Indian Police, Madras.
He died unmarried on 22 February 1913 in South Kensington, London, leaving effects of nearly 5,000 pounds (worth about 437,000 pounds in 2015).[4]
^The India List and India Office List. London: Harrison & Sons. 1905. p. 85.
^Wright, Arnold (1907). Twentieth Century Impressions of Ceylon: Its History, People, Commerce, Industries, and Resources. Asian Educational Services. p. 134. ISBN9788120613355.
^Principal Probate Registry. Calendar of the Grants of Probate and Letters of Administration made in the Probate Registries of the High Court of Justice in England. London, England, 28 Mar 1913.
