Abstract
LONDON Chemical Society, Nov. 2.—Prof. Abel, F.R.S., president, in the chair.—The President announced that the Goldsmith's Company had contributed 1,000/. to the recently-instituted research fund of the Society.—Mr. Lupton then read a paper on the oxides of potassium, after which communications were read on certain bismuth compounds (Part III.), by M. M. P. Muir.—On phospho- and arseno-cyanogen, by W. R. Hodgkinson.—A secondary oxidised product found during the reduction of stannic ethide to stannous ethi.de, by W. R. Hodgkinson and G. C. Matthews; and a preliminary notice on pigmentum nigrum, the black colouring matter contained in hair and feathers, by W. R. Hodgkinson and H. C. Sorby. This black colouring matter is left on digesting the coloured hair or feathers with dilute sulphuric acid, but is present only in very small quantity.
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Societies and Academies . Nature 15, 72 (1876). https://doi.org/10.1038/015072a0
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DOI: https://doi.org/10.1038/015072a0