Jacob Rodriguez Pereira, a Spanish instructor of deaf mutes, of Jewish family, born at Berlanga, Estremadura, April 11, 1715, died in Paris, Sept. 15, 1780. He opened a school for deaf mutes at Cadiz, but was not able to maintain it, and about 1742 removed with his family to Bordeaux. In 1745 he taught a mute in La Rochelle to pronounce some words, and undertook the instruction of the deaf and dumb son of the comptroller, D'Etavigny. After some years he appeared before the academy of sciences in Paris with young D'Etavigny, whose proficiency excited their admiration. A few months later he appeared with his pupil before Louis XV., who bestowed on Pereira a pension of 800 francs. In 1754 he presented one of his pupils before the ex-king Stanislas of Poland. (See Deaf and Dumb, vol. v., p. 733).
Jacob Ruysdael, a Dutch painter, born in Haarlem about 1630, died there in November, 1681. He abandoned his original profession of surgery and rose to great distinction as a landscape and marine painter. The figures in some of his pictures were executed by Ostade, Wouvermans, Berghem, and others.
Jacob Wrey Mould, an American architect, born at Chiselhurst, England, Aug. 7, 1825. His father was a parliamentary solicitor in London. He graduated at King's college, London, in 1842. and studied under Owen Jones and Lewis. Vulliamy, with both of whom he was associated in some of their most important works. In 1852 ho removed to America, and after executing several buildings in and about New York, he was employed in the architectural department of the works in the Central park. In 1870 he was appointed architect-in-chief to the department of public parks. His designs are distinguished for picturesqueness of outline and originality of detail. His principal works are the church of the Messiah, a Iresbytenan church in 42d street, the church ol the Holy trinity, and several buildings and structures in the city parks. In March, 1875 he was appointed architect-in-chief of the nub-he works in Lima, Peru.
See Cam, Diogo.
Jacobus Golius, a Dutch orientalist, born at the Hague in 1596, died in Leyden, Sept. 28, 1667. He was educated at Leyden, and appointed professor of Greek at La Rochelle when 21 years old, but soon returned to Leyden. In 1022 he joined a Dutch embassy to the emperor of Morocco, in order to perfect himself in Arabic. In 1024 he succeeded Er-penius as professor of Arabic at the university of Leyden, from 1625 to 1029 travelled through the Levant, and after his return was professor of mathematics. He was a voluminous writer on oriental philology; his greatest work is his Lexicon Arabico-Latinum (fob, Leyden, 1653).
Jacobus Sylvius, the Latinized name of a French anatomist, Jacques du Bois, born at Louville, near Amiens, in 1478, died in Paris, Jan. 13, 1555. He graduated as A. B. in 1531, delivered lectures, and was appointed professor of medicine in the royal college of France in 1550. He is said to have originated the practice of injecting the blood vessels to facilitate their dissection. The oblique fissure separating the anterior and middle lobes of the cerebrum is called from him the fissure of Sylvius.