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nominated lieutenant-governor of Massachusetts by the Democratic party, and was the next year offered the nomination as governor by the Republicans, both of which honors he declined. He died Dec. 17, 1876.

BARTLETT, William Holms Chambers, mathematician, was born at Lancaster, Pa., in 1804. His parents removed to Missouri in his infancy, and he received an appointment to West Point from that state in 1822. His genius for mathematics manifested itself in the early days of his cadetship, and during the last two years of his course at the academy he was assistant professor of mathematics. He was graduated in 1826 with highest honors, being one of the few students to pass through the rigid course without demerit marks. He was commissioned 2d lieutenant of engineers, and assigned to duty as assistant professor of engineering at the academy. In 1829 he was detailed on engineering duty, in the erection of coast defences and fortifications; in 1834 returned to West Point as acting professor of natural and experimental philosophy, and was made full professor in 1836. In 1840 he visited the principal observatories of Europe, having been commissioned to procure astronomical instruments, and to observe new methods with a view to the improvement of the course of instruction at West Point. He was an honored member of many scientific associations, and was one of the original incorporators of the National academy of sciences. Princeton college conferred upon him the degree of A.M. in 1837, and Geneva (now Hobart) college the degree of LL.D. in 1847. He is the author of "A Treatise on Optics" (1850); "Synthetical Mechanics" (1850-'58); "Acoustics and Optics" (1852-'59); "Analytical Mechanics" (1853-'55), and "Spherical Astronomy" (1855-'58), and a series of text books originally designed for the West Point cadets. Colonel Bartlett, at his own request, was retired in 1871, and for the subsequent twenty-two years held the position of actuary to the Mutual life insurance company of New York. He died at Yonkers, N.Y., Feb. 11, 1893.

BARTLEY, Elias Hudson, chemist, was born at Bartleyville, N.J., Dec. 6, 1849. He was graduated B.S. at Cornell university in 1873. After teaching science at the Princeton high school for one year, he became instructor in chemistry at Cornell in 1874-'75. For the three years following he occupied the chair of chemistry at Swarthmore college, delivering in 1877 and 1879 lectures in chemistry before the Franklin institute in Philadelphia. In 1878 and 1879 he studied at the Jefferson medical college, and after obtaining his degree he practised for a year on Long Island. In 1880 he was appointed chemist to the department of health in Brooklyn, N.Y., also becoming, in 1883, the inspector of the New York state board of health. He became professor of chemistry and toxicology at the Long Island college hospital in 1885; lecturer there in 1886, and professor of organic chemistry in Brooklyn college of pharmacy in 1892. He wrote "Text-Book of Medical Chemistry" (1885, 3d enlarged edition, 1894), and became a contributor to the "Reference Hand-Book of Medical Sciences" and to other sanitary and medical journals.

BARTLEY, Mordecai, governor of Ohio, was born in Fayette county, Pa., Dec. 16, 1783. In 1809 he went to Ohio and engaged in farming, and at the outbreak of the war of 1812 he joined the army of General Harrison with the rank of captain, from which he received promotion to that of adjutant. In 1817 he was chosen to represent Richmond county in the state senate, and the following year received the appointment of registrar of the land office of Virginia military district school lands. This office he held until he was elected a representative to Congress in 1822. He served in the 18th, 19th, 20th, and 21st congresses. He was elected governor of the state in 1844, as a Whig, and served one term. In the Mexican war he personally superintended the raising of troops, although as a Whig he was opposed to the war. In 1856 he joined the Republican party, but took no active part as a politician, devoting himself to his farm and the practice of law. He died in Mansfield, Ohio, Oct. 10, 1870.

BARTOL, Cyrus Augustus, clergyman, was born in Freeport, Me., April 30, 1813. He received a liberal education, graduating at Bowdoin college in 1832, and at Cambridge divinity school in 1835. He early showed a fine spiritual perception which, despite a reserve that was almost shyness, united with a very genial, sympathetic nature, made him peculiarly fitted for pastoral work. He was made colleague with Dr. Charles Lowell, pastor of the West church (Unitarian) in Boston. This church was distinguished for its liberality in religious views, and for its devotion to freedom. Mr. Bartol became sole pastor in 1861, on the death of Dr. Lowell. His earlier views were largely in accord with the teachings of Channing, but afterwards they harmonized more nearly with what is known as Free religion. The contrast between the first book published by him, "Discourses on the Christian Spirit and Life" (1850) and "Radical Problems" (1872), not as to topics, but as to freedom of thought, is quite marked. Sensitive to the welfare of others, Dr. Bartol gave much time, thought and labor to the anti-slavery cause, and to general philanthropy and reform. He spoke his mind fearlessly on all suitable occasions, and because of the exquisite spirituality of his thought and his tenderness and purity of life, he had much influence,