JAMES DWIGHT DANA (1813-95) SIGNED NOTE, “James D. Dana”, on a card 3.25 x 2.25, New Haven, Ct., Feb. 12, 1894, by the American geologist, mineralogist, volcanologist, and zoologist, who made pioneering studies of mountain-building, volcanic activity, and the origin and structure of continents and oceans around the world. In 1850 he was appointed a Silliman’s Professor of Natural History and Geology at Yale. He was also the chief editor of the American Journal of Science and Arts. He was also responsible for much of the early knowledge on Hawaiian volcanism. Dana’s best known books included: System of Mineralogy (1837), Manual of Mineralogy (1848) became a standard college text and has been continuously revised and updated and the 23 edition is now in print, and between 1856-57 he published a number of books which attempted to reconcile scientific findings with the Bible. His handwritten note just below his signature, in full: “who was once a boy too, and played ball, spinned a top, & made snow forts, but now is a grown up to be a man, and, on this 12th of February, is just 81 years old.” In fine condition, with minor age toning.