EDAH v. HUSSEY Customary law—Family—Head of family and successor—Appointment—Procedure—No one with inherent right to appointment—Appointment at discretion of family at family meeting or by acclamation of family—Circumstances in which headship presumed—Failure by plaintiff to prove appointment by family—Failure by plaintiff to prove exercise of rights incidental to status of head of family over family land—Whether plaintiff to be acknowledged as successor to deceased head of family.