Internat. Congresses, [411].

Prehistoric time, usual divisions of, [377];

stages of development not decided by time, [377].

Prescott, W. H., on the Northmen, [96];

Mexico, [163];

notes on it by Ramirez, [163];

on the Mexican civilization, [174];

his relative use of early Spanish writers in his Peru, [263], [269];

his library, [269];

on the Mexican connection with Asia, [375].