DELAGOA BAY. 82 considernblp. owing to the fiu't lliat it contains till' i>ort of Louivni.-o Marque*, wliioll is eon- neeteii by rail with Pretoria (since IS'.to), thus alTording an outlet for the output of the ■•"IJ- lieliis of the Transvaal. The railway from Lourcn<.-o Marques to Pretoria was eonstruited by a company of American and English eapital- i.sls and seized by the Portuguese tiovernment after the ileath of the concessioner. After ten years of litigation the case was decided, in 1!)00, in favor of the L'nitcd States and Great Britain, although the Portuguese Government was made to pay an indemnity of only about $.3,000,000. During the South "African " War the port of Lourenco -Marques was used for smuggling sup- plies to the scene of action. The 15ritish Gov- ernment, in ordiT to i)rcvcnt further violation of neutrality, blockaded the port and seized sev- eral vessels, jirncccdings which led to some inter- national complication. Consult Tessct, The Key to Soiilh Ifricii, Delagoa Bay (London, 1899). DE LA HIRE, de 14 er, Philippe (1G40- 1718). A remarkable French writer on the theory of curves. He was born in Paris, and was professor of mathematics in the CoU&ge Koyal and at the Acadcniie d'Architecture. The follow- ing are his most important works: Xouvelle m^lhode de gcometrie (107.3) ; Sectiones Cmiicce (Ui8o): a treatise on epicycloids and roulettes (1094-1701)). Ue was a pupil of Dcsargues, and founded his researches in conic sections and roulettes on the works of his master. DELAMBRE, de-liixljr', .Iean Raptiste .Joseph ( 1749- 1822) . A French astronomer, bom at Amiens. Tie studied first under Delisle, and afterwards under Lalandc, with botli of whom he formed a close friendship When, in 1781, the planet Uranus was discovered by Wil- liam Hcrschcl, Delambre worked out tables of its motion, that obtained for him the annual prize of the Academy and attracted to him the attention of the learned world in general. Soon after, he commenced the eonstniction of new solar tables, .and at a still later period, tables of the motions of Jupiter and Saturn. Along with Mcchain, he was appointed by the French Government, in 1792, to measure the are of the meridian between Dunkirk and Barcelona, which was i-omplcted in 1799. Afterwards he was elected a memlx-r of the Academy. In 1802 he was appointed inspector-general of education, and in 1803 perjwtual secretary of the mathe- matical section of the Institute. The result of his measurements appeared in his great work, Hase du siisti'mc mftrujue decimal (3 vols., 1800- 10). In 1807 he obtained the chair of astronomy at the College de France, rendered vacant by the death of l.alande. his master and friend. In 1814 he was appointed a mend)er of the Council of Public Instruction. Delambre received a nuil- titude of honors during his lifetime. He was a member of most of the learned bodies in Europe and an olliccr of the Legion of Honor. His writings are very numerous. The principal are: Traiti d'aslronomic (3 vols., 1814) : Bistoirc de Vax- irnnnmie au moi/eii /iyc (181!)); llistoire dc Vastronomie mudrrnc (2 vols.. 1821); and THh- tnire de Vast i-finomie nu dix-huitieme ttii'cic i 1823-27), published under the care of Matthieu. Besides these, Delambre is the author of several excellent Mi'moiren. DE LANCEY. DE LAN'CEY', Edwahd Floyd (1S21— ). Ad AnnriLiui lawyer and autlior, born at Maniaro- ncck, >«. v., and educated at Hobart L'niversily and at the Harvard Law School. He has been asswialed with various historical societies and was presidi'Ut of the New York (.ienea logical and Biographical Society from 1S73 to 1877. Among his important and interesting contribulion> to the history of New York State are the following: The Capture of Fori Washington the J{esult of Treason (1877); History of Maniaroneek, yew York (1880); and The Origin and History of Manors in the Province of Sew York (1880). DELANCEY, .Tames (1703-00). An Ameri- can jurist. He was born in New York, the son of a French Huguenot, graduated at Cambridge, England, and was admitted to the bar there. He returned to New York in 1825 and became jjronii- nent in the afTairs of the city ant', colony. From 1733 until his death he wasChief .lustice of the Supreme Court of New York, and in 1747-.").") and 17o7-00 was T>icutenant-Governor of the colony. He was one of the founders of King's College, now Columbia Lniversity, and j)resided over the .lbany Convention of 17.')4 (q.v.). DE LANCEY, Olivkk (1708-8.")). A British soldier, born in New Y'ork City. He was the youngest son of Etienne. and the brother of James be Lancey, the I-ieutcnant-Govcrnor of New York (1747-55, 1757-00). He fought in the French War, was colonel-in-chicf under General Abercrombie, and was present at the attack on Fort Ticonderoga. From 1700 to 1700 lie was a member of the Provincial Council of New York. During the Revolution he occupied responsible positions on the Loyalist side, rais- ing three regiments at his own expense, which he eonunanded as brigadier-general. In this capa- city he occupied Long Island until the end of the war. His estates then being confiscated along with those of the other prominent Loyalists, he went to England and there died. DE LANCEY, Oliver (1752-1822). An Amer- ican soldier. The son of Oliver De Lancey (1708-85), he was born in Edinburgh, Scotland. He served in the Seventeenth Light Dragoons, British Army (of which he eventually became colonel), and was sent to America to prepare accommodations for the regiment. He was jircscnt at Bunker Hill, and with his regiment partici- pated in the victory of the British at the battle of l.ong Island. At the time of the capture of General WoodhuU and his forces at Jamaica, L. L, it was De Lancey who rescued the wounded general. It was asserted that De Lancey struck WoodhuU after he had surrendered, but this charge was not sustained. He occupied impor- tant positions in tlic Loyalist army, and was ullimalcly made adjutant-general as .successor to Major .ViuhY' (1780). At the close of the war De Lancey returned to England and entiTcd Par- liament. He served in the Seventeenth Dragoons for fortv-nine vears, and was appointed a general in I8I2! DE LANCEY, William Heatiicote (1797- 1805). .
Ami'rican clergyman. He was born
in New York, grailuated at Yale in 1817. and studied theology under Bishop Hobart. He was afterwards assistant to Bishop White, of Phila- delphia, and secretary to the House of Bishops in the (Jenernl Convention of the Episcopal Church in the United States. In 1828 he be-
