Army (regimental exchanges). Return of all officers who have exchanged from one regiment to another during the ten years 1861 to 1870; showing the name, rank of each officer; the regiment from and to which exchanged; the date; and the station where each regiment was serving; and such other details as will supply the information entered in table G., Part I., of appendix A., of the report of the Royal Commission on Officers' Memorials; and a supplementary return, bringing down the above to the date of the abolition of purchase [electronic resource].