Douai Bible, the English translation of the Bible used among English-speaking Roman Catholics, and executed by divines connected with the English College at Douai. The New Testament was published in 1582 at Rheims, the Old during 1609-10 at Douai, the translation being based on the Vulgate. Various revisions have since materially altered it.

Douarnenez (du¨-a˙r-nė-nā), a seaport, France, Finistère, on a beautiful bay of the same name, 13 miles north-west of Quimper. It depends chiefly on the sardine fishery. Pop. 13,753.

Double Fertilization. See Embryo-sac.

Double-flowering, the development, often by cultivation, of the stamens and pistils of flowers into petals, by which the beauty of the flower is enhanced and its reproductive powers sacrificed.

Double-insurance, the effecting of two insurances upon the same goods. In marine insurance it is lawful for a shipper to insure his goods twice, but only to give an additional security in the event of the failure of the first underwriters. In the event of a loss it is ultimately divided among the underwriters in the ratio of the risks they have taken.

Double-stars, or Binary Stars, stars which are so close together that they appear as one to the naked eye, but are seen to be double when viewed through a telescope. One of these stars may revolve about the other, or, more accurately

speaking, both revolve round the common centre of gravity.

Doublet, a close-fitting garment, covering the body from the neck to a little below the waist. It was introduced from France into England in the fourteenth century, and was worn by both sexes and all ranks until the time of Charles II, when it was superseded, as far as men were concerned, by the coat and waistcoat. The garment got its name from being originally lined or wadded for defence.

Doublet, in lapidary work, a counterfeit stone composed of two pieces of crystal, with a colour between them, so that they have the same appearance as if the whole substance of the crystal were coloured.