Page:Africa by Élisée Reclus, Volume 1.djvu/494

 has found adherents, especially in Scotland and the New World. By their proportions and dimensions the pyramids have thus come to be regarded as so many "Bibles in stone."

The Pyramid of Cheops, or Khufu, the largest of the three, is estimated to

cover an area of over twelve acres, while its four triangular sides present altogether a surface of no less than twenty acres in extent. The quantity of materials required to be brought from great distances by the Nile, placed on their rocky