Abstract
American Journal of Science, February.—Good seeing, by S. P. Langley. A study of the conditions necessary to the formation of a tranquil image in a telescope (see p. 400).—Native arsenic from Montreal, by J. J. Evans. The native arsenic was found in a vein of nepheline syenite at the Corporation Quarry, neair Montreal. On analysis it proved to contain 9874 per cent, of arsenic, G65 per cent. of antimony, with traces of sulphur.—Electromotive force in plants, by A. B. Plowman. The experiments described show that the functional activities of a plant give rise to differences of electrical potential in its parts, the intensity and relative-sign of these differences depending upon the physiological condition of the plant, as well as upon its electrical conductivity.—The ionisation of water nuclei,” by C. Barus.—The morphogenesis of Platystrophia. A study of the evolution of a Palaeozoic Brachiopod by E. R. Cumings.—Note on the condition of platinum in the nickel-copper ores from Sudbury, by C. W. Dickson. An. acccunt of the isolation of sperrylite, platinum arsenide, from chalcopyrite.—Lecture experiment on surface tension and surface viscosity, by J. E. Burbank.—Mylagaulodon, a new rodent from Oregon, by W. J. Sinclair.—Studies in the Cyperacea, by T. Holm. On Carex fusca and Carex bipartita.
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Scientific Serial . Nature 67, 429 (1903). https://doi.org/10.1038/067429a0
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DOI: https://doi.org/10.1038/067429a0