EPSOM, a market-town in Surrey, skirting Banstead Downs, 15 m.  SW. of London; formerly noted for its mineral springs, now associated with the famous Derby races.

EQUINOCTIAL POINTS are the two points at which the celestial equator intersects the ECLIPTIC (q. v.), so called because the days and nights are of equal duration when the sun is at these points.

EQUINOXES, the two annually recurring times at which the sun arrives at the EQUINOCTIAL POINTS (q. v.), viz., 21st March and 22nd September, called respectively the vernal and the autumnal equinoxes in the northern hemisphere, but vice versa in the southern; at these times the sun is directly over the equator, and day and night is then of equal length over the whole globe.

EQUITES, THE, a celebrated equestrian order in ancient Rome, supposed to have been instituted by Romulus; at first purely military, it was at length invested with the judicial functions of the Senate, and the power of farming out the public revenues; gradually lost these privileges and became defunct.

ERASMUS, DESIDERIUS, a famous scholar and man of letters, born at Rotterdam; illegitimate son of one Gerhard; conceived a disgust for monkish life during six years’ residence in a monastery at Steyn; wandered through Europe and amassed stores of learning at various universities; visited Oxford in 1489, and formed a lifelong friendship with Sir Thomas More; was for some years professor of Divinity and Greek at Cambridge; edited the first Greek Testament; settled finally at Basel, whence he exercised a remarkable influence over European thought by the wit and tone of his writings, notably the “Praise of Folly,” the “Colloquia” and “Adagia”; he has been regarded as the precursor of the Reformation; is said to have laid the egg which Luther hatched; aided the Reformation by his scholarship, though he kept aloof as a scholar from the popular movement of Luther (1467-1536).

ERASTIANISM, the right of the State to override and overrule the decisions of the Church that happen to involve civil penalties.  See ERASTUS.

ERASTUS, an eminent physician, born at Baden, in Switzerland, whose fame rests mainly on the attitude he assumed in the theological and ecclesiastical questions of the day; he defended Zwingli’s view of the Eucharist as a merely symbolical ordinance, and denied the right of the Church to inflict civil penalties, or to exercise discipline—­the power of the keys—­that belonging, he maintained, to the province of the civil magistrate and not to the Church (1534-1583).

ERATO (i. e. the Lovely), the muse of erotic poetry and elegy, represented with a lyre in her left hand.

ERATOSTHENES, surnamed the Philologist, a philosopher of Alexandria, born at Cyrene, 276 B.C.; becoming blind and tired of life, he starved himself to death at the age of 80; he ranks high among ancient astronomers; measured the obliquity of the ecliptic, and estimated the size of the earth (276-194 B.C.).