Twelve more guns he landed from the Spanish ship, including two twelve–pounders. These, however, he reserved for another purpose. Fifty yards west of the fort on the extreme edge of the promontory he set about the construction of earthworks, and set about it at a rate which allowed Colonel Courtney some insight into buccaneer methods and the secret of their success.
He landed a hundred of his men for the purpose and had them toiling almost naked in the broiling sun. To these he added three hundred whites and as many Negroes from Saint John's — practically the whole of its efficient male population — and he had them digging, banking, and filling the wickerwork gabions into the making of which he impressed the women. Others were sent to cut turf and fell trees, and fetch one and the other to the site of these operations. Throughout the afternoon the promontory seethed and crawled like an ant–heap. By sunset all was done. It seemed a miracle to the Captain–General. In six hours, under Blood's direction and the drive of his will, another fort had been constructed which by ordinary methods could not have been built in less than a week. And it was not only built and armed with the remaining twelve guns brought from the Atrevida and with a half–dozen powerful demicannons landed from the Arabella, it was so effectively dissembled that from the sea no suspicion of its existence could be formed. Strips of turf faced it so that it merged into the background of shallow cliff; cocoanut palms topped it and rose about it, clumps of white acacia and arnotto trees masked the gun emplacements so effectively as to render them invisible at half a mile.
Colonel Courtney conceived that here was a deal of wasted labour. Why trouble to conceal fortifications whose display should have the effect of deterring an assailant?
Blood explained. «If he's intimidated, he'll merely be postponing attack until some time when I'm not here to defend you. I mean either to destroy him or so to maul him that he'll be glad to leave British settlements alone in future.»
That night Blood slept aboard the Arabella at her anchorage under the bluff. In the morning Saint John's was awakened and alarmed by the sound of heavy gunfire. The Captain–General ran from his house in a bed–gown, conceiving that the Spaniards were already here. The firing, however, proceeded from the new earthworks, and was directed upon the completely dismasted hull of the Atrevida which had been anchored fore and aft athwart the narrow fairway, right in the middle of the channel.
The Captain–General dressed in haste, took horse and rode out to the bluff with Macartney. As he reached it, the firing ceased. The hulk, riddled with shot, was slowly settling down. She sank with a gurgle, as the now furious Governor flung himself from his horse beside the earthworks. Of Captain Blood, who with a knot of his rude followers was observing the end of the Atrevida, he stormily demanded to know in the name of Heaven and of Hell what folly this might be. Did Captain Blood realize that he had completely blocked the entrance to the harbour for all but vessels of the lightest draught?
«That was the aim,» said Blood. «I've been at pains to find the shallowest part of the channel. She lies in six fathoms, reducing the depth to a bare two.»
The Captain–General conceived that he was being mocked. Livid, he demanded why so insane a measure should have been taken, and this without consulting him. With a note of weariness in his voice, Captain Blood explained what should have been obvious. It gave some pause to the Governor's anger. Yet the suspicions natural to a man of such limited vision were not quieted.
«But if to sink the hulk there was your only object, why in the devil's name did you waste shot and powder on her? Why didn't you scuttle her?»
Blood shrugged. «A little gunnery practice. We accomplished two objects in one.»