but it was not the sight of his body , nor yet was it that of the body of hue baskerville lying near him , which raised the hair upon the heads of these three daredevil roysterers , but it was that , standing over hue , and plucking at her throat , there stood a foul thing , a great , black beast , shaped like a hound , yet larger than any hound that ever mortal eye has rested upon .