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118 gentleman, whose vast acquirements and simple habits were pleasantly characterized by Mrs. Emma Willard's designation of him as "the Republican Philosopher." Three of his sons adopted scientific pursuits or cultivated scientific tastes. One, Hezekiah Hubert Eaton, was Assistant Professor of Chemistry in Transylvania University, but died when only twenty-three years old. Major-General Amos B. Eaton was an officer of the United States Army and interested in science. A daughter, Sara C. Eaton, was a teacher of natural sciences and the modern languages in a young woman's seminary at Monticello, 111. A grandson, Prof. Daniel Cady Eaton, has been Professor of Botany in Yale College since 1864.

The list of Prof. Eaton's books includes an Elementary Treatise on Botany, 1810; Manual of Botany, 1817; Botanical Dictionary, 1817; Botanical Exercises, 1820; Botanical Grammar and Dictionary, 1828; Chemical Note-Book, 1821; Chemical Instructor, 1822; Zoological Syllabus and Note-Book, 1822; Cuvier's Grand Division, 1822; Art without Science, 1800; Philosophical Instructor, 1824; Directions for Surveying and Engineering, 1838; Index to the Geology of the Northern States, 1818; Geological and Agricultural Survey of the County of Albany, N. Y., 1820; Geological Nomenclature of North America, 1822; Geological and Agricultural Survey of the District adjoining the Erie Canal, 1824; Geological Text -Books, prepared for Popular Lectures on North American Geology, 1830; and Geological Text-Book, for the Troy class, 1841.