[The situation was] as in the case of his majesty's having undergone a natural and perfect demise...There was then a person in the kingdom different from any other person that any existing precedents could refer to-an heir apparent of full age and capacity to exercise the royal power. It behoved them, therefore, to waste not a moment unnecessarily, but to proceed with all becoming speed and all becoming diligence to restore the sovereign power and the exercise of royal authority.