four o'clock
The Spaniard again repeated his declarations of good faith , and retired from the tent under the safe conduct of Costal . `` By-and-by , '' said the General to Lantejas when the others had gone , `` I shall speak to you of the mission I intend sending you upon . Meanwhile , go and get some rest , as I shall want you at an early hour in the morning . At four o'clock I shall myself take a party of men up to the castle . As it is best that no one should know our intention , you and Costal must hang a lantern on the bridge of Hornos . That is to be the signal for our approach to the gate . '' Saying this , the commander-in-chief dismissed his captain -- who strode forth out of the marquee , with no very sanguine anticipations of obtaining a tranquil night 's rest .