Although it is only a comparatively short time since the lecturer delivered an address on the chemical elements (in the post-graduate course held in January, 1932, under the Sydney University Extension Board), an immense amount of research work has been carried out in the interval. There were at that time two blanks in the table, the then unknown elements Nos. 85 and 87. Both these elements have now been detected. No. 85. Allison, Murphy, Bishop and Sommer detected this element in monazite sand. They did not obtain it or its compounds pure (1932). It has been called " Alabamine ".
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