[49] James T. W. Johnston, 1796-1865; agricultural chemist; professor at Durham. Lectured in the United States. [50] Francis Boott, 1792-1863. Born in Boston, United States. Early removed to London, where he studied and practiced medicine a few years. “A good botanist, and in his later life devoted to the study of Carices” [A. G.]. [51] John Joseph Bennett, 1801-1876; keeper of the herbarium of the British Museum. “One of the most learned and modest of men” [A. G.]. [52] Sir John Richardson, M. D., 1787-1865. “The well-known Arctic explorer, zoölogist, and botanist” [A. G.]. [53] David Don, 1795-1856; librarian of the Linnæan Society; professor of botany in King’s College, London. [54] Frederic Pursh, 1774-1820. Emigrated to America, 1799. Traveled and collected much; settled later in Montreal, where he died. [55] Aylmer Bourke Lambert, 1762-1842; author of the _Genus Pinus_ and the _Genus Cinchona_. Owned a very large herbarium comprising plants of Pursh, who published under his liberal patronage. [56] John Forbes Royle, M. D.; a surgeon in the East India Company. Wrote on the botany of the Himalaya. [57] John Edward Gray, 1800-1875; keeper of the zoölogical collections of the British Museum for many years. “Of persistent ardor, indomitable energy, and great practical power” [A. G.]. [58] William Clift, 1775-1849; curator of the Hunterian Museum of the Royal College of Surgeons. [59] Peter Mark Roget, M. D., 1779-1869; secretary of the Royal Society, London. Wrote _Animal and Vegetable Physiology_, and the well-known _Thesaurus_. [60] Richard Taylor; printer; for many years secretary of the Linnæan Society. [61] Francis Bauer; botanical artist to George III. [62] Thomas Horsfield, M. D., 1774-1859. Born in Pennsylvania. After sixteen years in Java, passed the rest of his life in London as keeper of the museum of the East India Company. Brown & Bennett published part of his collections, _Plantæ Javanicæ Rariores_. [63] I forgot to mention also some bricks from Babylon, covered with arrowhead characters, which were the most interesting relics of antiquity I almost ever saw.--A. G. [64] Nathaniel R. Ward, 1791-1868; inventor of the Wardian case. [65] Archibald Menzies, 1754-1842; the botanist who accompanied Vancouver in his voyage to the west coasts of North and South America. His collections are in the Edinburgh and Kew Herbariums. [66] Sir Charles Lyell, the geologist. [67] Edwin J. Quekett, 1808-1847. Wrote much on the microscopic structure of plants and animals. [68] John Miers, 1789-1879; a botanist who studied in South America and wrote many papers. [69] Thomas Walter, d. 1788, in Carolina, U. S. Wrote _Flora Caroliniana_. [70] James Scott Bowerbank, 1797-1877. Wrote on Sponges and the Fossil Fruits of the London Clay. [71] Edward Forster, 1765-1849. Made vice-president of the Linnæan Society in 1828.