ROYAL DUTCH AIRLINES (KLM) AND ANOTHER v. FAR MEX LTD Contract—Contract of air carriage—Condition of goods—Liability for—Perishable goods in apparent good condition received for shipment by air carrier—Air waybill describing goods as 'fresh mangoes"—Goods declared unfit for consumption after unjustifiable delay in delivery by air carrier—Issue of condition of goods not raised on pleadings—Air carrier not entitled to escape liability—Duty of air carrier as common carrier or under article II of Warsaw Convention—Warsaw Convention, 1929, art II.