An Act to defray the Charge of the Pay, Clothing and Contingent Expences of the Disembodied Militia in Great Britain, and of the Miners of Cornwall and Devon; and for granting Allowances, in certain cases, to Subaltern Officers, Adjutants, Surgeons' Mates and Serjeant Majors of Militia, until the Twenty-fifth Day of March One thousand eight hundred and seventeen.