THE TROCHA Of all the military measures employed by the Spaniards in their wars against Cuban independence, perhaps the most unique was the trocha--trench or traverse. Martinez Campos during the Ten Years' War built the first trocha just west of the Cubitas Mountains where the waist of the island is narrowest. It was Campos's hope, by means of this artificial barrier, to confine the operations of the insurgents to the eastern end of Cuba, but in that he failed, as likewise he failed in the results gained by his efforts to concentrate the rural population in the cities. Not until Weyler's time were these two methods of pacification, the trocha and the concentration camp, developed to their fullest extent. Under the rule of the Butcher several trochas were constructed at selected points, an

