Rule limiting periods for direc- (1.) Before Thellusson Act (39 & (2.) Since that Act, Direction may be express or tacit, Excess in direction, either (1.) Void pro tanto only, or According to the measure of the excess, (2.) Warrant of attorney, (3.) Powers of attorney properly so called, Being either (a.) General, or (b.) Special, (b.) Unlimited. Persons capable of appointing at- torneys, Persons not capable of so doing, Where deed is necessary and Power to appoint sub-attorney, What are incidents and what not, Irrevocable, where part of a se- curity, |