=Bartlett, William Holms Chambers.= _Pa._, 1804-1893. A prominent scientist, who was from 1834-71 an instructor at West Point. Treatise on Optics; Analytical Mechanics; Spherical Astronomy. =Bartol, Cyrus Augustus.= _Me._, 1813-1900. A Unitarian clergyman of Boston, prominent as a leader of radical religious thought. Pictures of Europe; Christian Spirit and Life; Radical Problems; The Rising Faith; Principles and Portraits; Church and Congregation; Christian Body and Form. _A. U. A._ _Rob._ =Barton, Benjamin Smith.= _Pa._, 1766-1815. A once noted physician of Philadelphia. Observations on Some Parts of Natural History; New Views on the Origin of the Tribes of North America; Elements of Botany. =Barton, William Paul Crillon.= _Pa._, 1786-1856. Nephew of B. S. Barton, _supra_. He organized the United States Naval Bureau of Medicine and Surgery, and was known both as botanist and surgeon. Vegetable Materia Medica of the United States; Flora of North America; Medical Botany; Compendium Floræ Philadelphiæ. =Bartram, John.= _Pa._, 1699-1777. “The Father of American Botany.” A shrewd, careful observer whom Linnæus termed “the greatest natural botanist in the world.” Observations on the Inhabitants, Climate, etc., as made by Mr. John Bartram in his Travels from Pennsylvania to Onondaga, etc. A similar record of travels in eastern Florida appeared in 1766. _See Memorials of, by Darlington, 1849._ =Bartram, William.= _Pa._, 1739-1823. Son of J. Bartram, _supra_. A botanist and traveller of Pennsylvania. Travel Through North and South Carolina, Georgia, etc.; Observations on the Creek and Cherokee Indians. =Bascom, Henry Bidleman.= _N. Y._, 1796-1850. A bishop of the Methodist church. Sermons from the Pulpit; Mental and Moral Science; Methodism and Slavery. _See Life by Heuhle, 1854; Methodist Quarterly, vol. 45._ =Bascom, John.= _N. Y._, 1827- ----. A philosophical writer, from 1874-87, president of Wisconsin University, subsequently professor of political science at Williams College. Elements of Psychology; Æsthetics; Political Economy for Colleges; Science, Philosophy, and Religion; Natural Theology; The Science of Mind; The Words of Christ; Philosophy of English Literature; Comparative Psychology; Problems in Philosophy; Sociology, Social Theory; Ethics; The New Theology; Historical Interpretation of Philosophy; A Philosophy of Religion. _Cr. Put._ =Bassett, James.= _Ont._, 1834- ----. A Presbyterian missionary in Persia. Hymns in Persian; Among the Turcomans; Persia, the Land of the Imams: a Narrative of Travel; Grammatical Note on the Simnuni Dialects of the Persian. _Scr._ =Batchelor, George.= _Ct._, 1836- ----. A Unitarian clergyman. Social Equilibrium and Other Problems, Ethical and Religious. _El._