feeling that he must either make the attempt to escape
or perish miserably in that secluded spot, a strange, unwonted
sound struck upon his ear, and caused both him
and Crusoe to spring violently to their feet and listen.
Could he be dreaming?--it seemed like the sound of
human voices. For a moment he stood with his eyes
rivetted on the ground, his lips apart, and his nostrils
distended, as he listened with the utmost intensity.
Then he darted out and bounded round the edge of a
rock which concealed an extensive but narrow valley