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    • Societies and Academies - Nature

      Nature· 4 days ago

      The author describes and illustrates the type-specimens of Paradoxides groomii, Lapworth, 1891, and the associated trilobites from the basement beds of the Middle Cambrian of Comley Quarry.

    • Societies and Academies - Nature

      Nature· 4 days ago

      This memoir deals with the four double selenates of the series R2M(SeO4)2.6H2O, in which M is cobalt and R is potassium, rubidium, cæsium, and ammonium. Two dominant facts emerge, namely, (1 ...

    • Societies and Academies - Nature

      Nature· 4 days ago

      Certain phenomena relating to the behaviour of aluminium powder, when heated in air, were discussed, and also the preparation of Al3O4. A curve of specific gravities corresponding with percentages ...