[Doldrums], a zone of the tropics where calms, squalls, and baffling winds prevail.
[Dôle] (12), a town in the dep. of Jura, on the Doubs, and the Rhône and Rhine Canal, 28 m. SE. of Dijon, with iron-works, and a trade in wine, grain, &c.
[Dolet, Étienne], a learned French humanist, born at Orleans, became, by the study of the classics, one of the lights of the Renaissance, and one of its most zealous propagandists; suffered persecution after persecution at the hands of the Church, and was burned in the Place Maubert, Paris, a martyr to his philosophic zeal and opinions (1509-1546).
[Dolgelly], capital of Merioneth, Wales, with manufactures of flannel.
[Dolgorouki], the name of a noble and illustrious Russian family.
[Dollart Zee], a gulf in Holland into which the Ems flows, 8 m. long by 7 broad, and formed by inundation of the North Sea.
[Döllinger], a Catholic theologian, born in Bamberg, Bavaria, professor of Church History in the University of Münich; head of the old Catholic party in Germany; was at first a zealous Ultramontanist, but changed his opinions and became quite as zealous in opposing, first, the temporal sovereignty, and then the infallibility of the Pope, to his excommunication from the Church; he was a polemic, and as such wrote extensively on theological and ecclesiastical topics; lived to a great age, and was much honoured to the last (1799-1890).
[Dollond, John], a mathematical instrument-maker, born in Spitalfields, London, of Dutch descent; began life as a silk-weaver; made good use of his leisure hours in studies bearing mainly on physics; went into partnership with his son, who was an optician; made a study of the telescope, suggested improvements which commended themselves to the Royal Society, and in especial how, by means of a combination of lenses, to get rid of the coloured fringe in the image (1706-1761).
[Dolmen], a rude structure of prehistoric date, consisting of upright unhewn stones supporting one or more heavy slabs; long regarded as altars of sacrifice, but now believed to be sepulchral monuments; found in great numbers in Bretagne especially.
[Dolomite Alps], a limestone mountain range forming the S. of the Eastern Alps, in the Tyrol and N. Italy, famous for the remarkable and fantastic shapes they assume; named after Dolomieu, a French mineralogist, who studied the geology of them.