Old and New World, [517];
Phœnicians steered by, from earliest times, [523], [525];
interval of time when the pole star ceased to be conspicuous, [525];
maritime intercourse interrupted, [531];
reappearance of, [538];
summary and conclusions, [544];
Mesopotamian prayer meeting of star-worshippers (Appendix II), [557].
Popocatepetl, volcano, Mexico, [275].
Popol-Vuh, sacred book of the Quichés, [72], note, [113], [270].
Popular Science Monthly, [478].