1865. K. K. Zoologisch-Botanische Gesellschaft in Wien. Mem. 1866. Am. Microscopical Society of the City of New York. Hon. Mem. 1866. Royal Botanical Society of Edinburgh. Hon. Fellow. 1867. National Academy of Sciences of the United States. Hon. Mem. 1867. Buffalo Historical Society. Corresp. Mem. 1868. Die Königliche Gesellschaft der Wissenschaften zu Göttingen. Corresp. Mem. 1868. Société Impériale Académique de Cherbourg. Corresp. Mem. 1871. Indianapolis Academy of Sciences. Hon. Mem. 1873. Minnesota Academy of Natural Sciences, Minneapolis. Hon. Mem. 1873. The Royal Society, London. Foreign Mem. 1875. Royal Irish Academy, Dublin. Hon. Mem. 1876. Worcester Co. Horticultural Society. Hon. Mem. 1877. Société Royale de Botanique de Belgique. Assoc. Mem. 1877. Davenport Academy of Natural Sciences, Iowa. Hon. Mem. 1878. Institut de France, Académie des Sciences. Corresp. Mem. 1879. Royal Society of Edinburgh. Mem. 1880. The Cambridge (England) Philosophical Society. Hon. Mem. 1884. Der Botanische Verein der Provinz Brandenbourg. Hon. Mem. 1884. Die Deutsche Botanische Gesellschaft, Berlin. Hon. Mem. 1885. The Philosophical Society of Glasgow. Hon. Mem. 1885. Natural History Society of Montreal. Hon. Mem. 1885. New Zealand Institute. Hon. Mem. 1885. Royal Horticultural Society, London. Hon. Mem. 1886. Northwestern Literary and Historical Society, Sioux City. Hon. Mem. 1886. American Society of Naturalists. Hon. Mem. 1886. Oneida Co. Horticultural Society at Utica, N. Y. Corresp. Mem. 1886. Asa Gray Botanical Club, Utica, N. Y. Mem. 1886. Torrey Botanical Club, Columbia College, New York. Hon. Mem. 1887. La Société Botanique de Copenhague. Hon. Mem. 1887. Manchester (England) Literary and Philosophical Society. Hon. Mem. 1887. The Essex Institute, Salem, Mass. Hon. Mem. INDEX. Abercrombie, John, 103. Abert, 356. Abies, 672. Abolition, 296. Accident, Railroad, 690. Accidents, 377, 737. Acland, Sir Henry, 722, 737, 803. Acland, Sir Thomas, 806. Aconitum reclinatum, 689. Acrolasia, 223. Acton, Lord, 802. Adams, C. F., 636, 641, 733. Adelsburg, Fête at Grotto of, 212, 213. Agassiz, L., 179, 343-346, 349, 410, 432, 450, 455. Agassiz, A., 719, 747, 600. Agriculture, Mass. Society for Promotion of, 817. Albro, J. A., 296, 328, 395. Alleghanies, Botany of Southern, 280. Allen, A. V. G., 779, 789. Alpine Plants, 229; what they are, 783. Alvord, Col. and Mrs., 769, 770. American Academy, 286, 397, 405, 700; corresponding secretary of, 355; president, 641. American Association, 698, 735, 756; president, 619, 628. “American Journal of Science,” 19, 32. Amici, G. B., 200, 201. Ancestry, 1, 2, 3. Andersson, J. N., 545. Anemone Hudsonica, 46. Ann Arbor, 79, 80. Antarctic Expedition, 130, 162. Anthephora, 451, 453.