[From a collection of stones obtained from the refuse-heaps of the Kimberley Mines by Mr. Louis Atkinson, a selection was made by Prof. T. Rupert Jones and, by kind permission of Prof. Bonney, was submitted to him for examination, in packets marked I.—VIII. and X. Specimen No. IX. was sent many years ago, as a traprock with garnets from the Vaal River, by Mr. Robert Crofts Jones.—T. R. J.]