QUADRILATERAL, THE, the name given to a combination of four fortresses, or the space enclosed by them, in North Italy, at Mantua, Legnago, Verona, and Peschiera.

QUADROON, the name given to a person quarter-blooded, in particular the offspring of a mulatto and a white person.

QUADRUPLE ALLIANCE, an alliance formed in 1719 between England, France, Austria, and Holland to secure the thrones of France and England to the reigning families, and to defeat the schemes of Alberoni to the aggrandisement of Spain.

QUAESTORS, the name given in Roman history to the officers entrusted with the care of the public treasury, originally two in number, one of them to see to the corn supply in Rome, but eventually, as the empire extended, increased, till in Caesar’s time they amounted to forty.  Under the kings they were the public prosecutors in cases of murder.

QUAIGH, a name formerly given to a wooden drinking-cup in Scotland.

QUAIN, JONES, anatomist, born at Mallow, Ireland; was professor of Anatomy and Physiology in London University; was author of “Elements of Anatomy,” of which the first edition was published in 1828, and the tenth in 1800 (1796-1865).

QUAIN, RICHARD, anatomist, born at Fermoy, Ireland, brother of preceding, and professor in London University; author of a number of medical works; bequeathed a large legacy to the university for “education in modern languages” (1800-1887).

QUAIN, SIR RICHARD, physician, born at Mallow, cousin of preceding; edited “Dictionary of Medicine,” and was President of Medical Council in 1891 (1816-1898).

QUAIR, an old Scotch name for a book.

QUAKERS, the SOCIETY OF FRIENDS (q. v.), so called first by
Justice Bennet of Derby, because Fox bade him quake before the Lord.

QUARANTINE, the prescribed time, generally 40 days (hence the name), of non-intercourse with the shore for a ship suspected of infection, latterly enforced, and that very strictly, in the cases of infection with yellow fever or plague; since November 1896, the system of quarantine as regards the British Islands has ceased to exist.

QUARLES, FRANCIS, religious poet, born in Essex, of good family; a member of Christ’s College, Cambridge, and Lincoln’s Inn; held divers offices at the Court, in the city, and the Church; was a bigoted Royalist and Churchman, a voluminous author, both in prose and verse, but is now remembered for his “Divine Emblems,” and perhaps his “Enchiridion”; he wrote in his quaint way not a few good things (1592-1644).

QUARTER DAYS, in England and Ireland Lady Day, 25th March; Midsummer Day, 24th June; Michaelmas Day, 29th September; and Christmas Day, 25th December; while in Scotland the legal terms are Whitsunday, 15th May, and Martinmas, 11th November, though the Whitsunday term is now changed to the 28th May.

QUARTER-DECK, the part of a ship abaft the main-mast, or between the main and mizzen, where there is a poop.