matter, for at the beginning of his treatise, which is composed in attractive and dignified language, he says, © All things were together ; then came Mind and set them in order.” This earned for Anaxagoras himself the nickname of Nous or Mind, and Timon in his Sik says of him: Then, I ween, there is Anaxagoras, a doughty champion, whom they call Mind, because forsooth his was the mind which suddenly woke up and fitted closely together all that had formerly been in a medley of confusion. He was eminent for wealth and noble birth, and furthermore for magnanimity, in that he gave up his patrimony to his relations. For, when they accused him of neglecting it, he replied, ‘‘ Why then do you not look after it?’ And at last he went into — retirement and engaged in physical investigation without troubling himself about public affairs. When some one inquired, ‘ Have you no concern in your native land?” “ Gently,” he replied, ‘‘ I am greatly concerned with my fatherland,” and pointed to the sky. He is said to have been twenty years old at the invasion of Xerxes and to have lived seventy-two years. Apollodorus in his Chronology says that he was born in the 70th Olympiad,? and died in the first year of the 88th Olympiad. He began to study philosophy at Athens in the archonship of Callias 4 when he was twenty; Demetrius of Phalerum states this in his list of archons ; and at Athens they say he remained for thirty years. He declared the sun to be a mass of red-hot metal and to be larger than the Peloponnesus, though others ascribe this view to Tantalus; he declared that there were dwellings on the moon, and moreover