. Guide leaflet. at West Point; after threeyears sendee there, he was elected professor of chemistry and botanyin the College of Physicians and Surgeons, a position which he held fornearly thirty years, during part of this period lecturing on chemistryalso at Princeton: he was also United States assayer in New York from1854 until his death. Dr. Torreys attention was directed to botany during his youthfulassociation with Professor Amos Eaton, and his interest in that sciencewas subsequently stimulated during his medical studies by the lecturesof Professor David Hosack. It early became his favor
. Guide leaflet. at West Point; after threeyears sendee there, he was elected professor of chemistry and botanyin the College of Physicians and Surgeons, a position which he held fornearly thirty years, during part of this period lecturing on chemistryalso at Princeton: he was also United States assayer in New York from1854 until his death. Dr. Torreys attention was directed to botany during his youthfulassociation with Professor Amos Eaton, and his interest in that sciencewas subsequently stimulated during his medical studies by the lecturesof Professor David Hosack. It early became his favorite study, and,notwithstanding his noteworthy services to chemistry, his fame restson his botanical researches, although they were accomplished during hishours of rest and recreation, — largely during the night. His botanical publications began in 1819 with A Catalogue of PlantsGrowing Spontaneously within Thirty Miles of the City of New York,published by the Lyceum of Natural History, now the New York Acad- 14. JOSEPH HENRY Born, Albany, N, Y., December 17, 1797Died, Washington, D. C, May 13, 1878 Physicist Noted for his investigations in electromagnetismFirst secretary of the Smithsonian Institution emy of Sciences, and wore completed the year after his death in thePhanerogamia of Pacific North America, in Vol. 17 of the Reportof the United States Exploring Expedition. His contributions tobotany include more than forty titles, many of them volumes requiringyears of patient study; they throw a flood of light on the plants ofNorth America, and form a grand contribution to knowledge. Hiscollections, on which these researches are based, were annotated andarranged by him with scrupulous care and exactness, and are treasuredas among the most important of all scientific material in America. JOSEPH HENRY. By Robert S. Woodward. This time, one hundred years ago, Joseph Henry, whose name andfame we honor today, was a lad seven years of age. He was born atAlbany, New York, of Scotch p
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