After a short stay in Thrace, during which he was convinced that the Getæ were the bravest portion of this race, Herodotus arrived in Greece, which was to be the termination of his travels, to the country where he hoped to collect the only documents still wanting to complete his history, and he visited all the spots that had become illustrious by the great battles fought between the Greeks and Persians. He gives a minute description of the Pass of Thermopylæ, and of his visit to the plain of Marathon, the battlefield of Platæa, and his return to Asia Minor, whence he passed along the coast on which the Greeks had established several colonies. Herodotus can only have been twenty-eight years of age when he returned to Halicarnassus in Caria, for it was in B.C. 456 that he read the history of