Manuscripts of Thomas Potts James and Leo Lesquereux, 1879.

Schimper, Wilhelm-Philippe, 1808-1880

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Lesquereux, Léo, 1806-1889

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Louis Agassiz (1807-1873, APS 1843) was a zoologist and geologist. A student of Georges Cuvier, Agassiz was renown for his six-volume work Poissons fossils, a study of more than 1,700 ancient fish. Equally important was his Ètudes sur les glaciers (1840). In 1845 Agassiz moved to the United States on a two-year study grant from King Friedrich Wilhelm IV of Prussia to compare the flora and fauna of the United States and Europe. While in the United States he was invited to deliver a c...

James, Thomas Potts, 1803-1882

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Thomas P. James was a Philadelphia druggist. From the description of Letterbooks, 1851-1863. (Historical Society of Pennsylvania). WorldCat record id: 122684097 James studied pharmacy and from 1831-1866 was involved in the wholesale drug business in Philadelphia and also developed an interest in Pennsylvania flora. After moving to Cambridge, Mass. James studied mosses and published along with Leo Lesquereux articles and a manual of North American mosses (1884). F...

Watson, Sereno, 1826-1892

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Watson was graduated from Yale University (1847) and later studied chemistry and minerology at Sheffield Scientific School. He joined Clarence King's expedition to survey the 40th parallel, and wrote the botanical report (1871) for the expedition. Watson was appointed assistant in the Gray Herbarium in 1873; Curator, 1874-1892; and Instructor in Phytogeography, 1881-1884. His published works include contributions to Botany of California, Manual of the Mosses of North America, and a revision of G...