four
o’clock
` Upon this I acted . ` The first question was how to dispose of the body . The impulse of the moment was to bury her at once in the pit between the engine-house and waterfall ; but it struck me that I should not have time . It was now four o'clock , and the working-men would soon be stirring about the place . I would put off burying her till the next night . I carried her indoors . ` In turning the outhouse into a workshop , earlier in the season , I found , when driving a nail into the wall for fixing a cupboard , that the wall sounded hollow .