„ time required to effect the amount of, [63]

Dewar and Liveing on dissociation of chemical elements, [83]

Dissociation of chemical elements, Dr. T. Sterry Hunt on, [82], [85]

„ of chemical elements, M. Berthelot on, [83]

„ of chemical elements, M. Deville on, [83]

„ of chemical elements, Mr. Lockyer on, [82]

„ of chemical elements, Profs. Liveing and Dewar on, [83]

„ of chemical elements, Prof. Schuster on, [83]

„ of chemical elements, Sir B. Brodie on, [82], [84]

„ Dumas, M., on essential unity of matter, [83]