IN a previous paper in this Magazine, as well as in an official report to the Government of the Federated Malay States and in a paper in the Mining Magazine, I have discussed in some detail the geological relations of the pregranitic sedimentary rocks of the Kinta Valley, in the State of Perak, F.M.S.1 The relations of the mainly calcareous Raub Series of Permo-Carboniferous age and the rocks generally known locally and colloquially as the “ Schist Series ” (Triassic and perhaps Rhaetic), formed one of the principal subjects on which I was requested to report to the Government. My conclusions were, I think, sufficiently clearly expressed in the publications quoted, and it is unnecessary to repeat here the arguments and field evidence which led me to those conclusions.

The recent discovery of fossil fishes in the Devonian rocks of Victoria may appear somewhat surprising in view of the fact that the general geology of the state has by now been worked out in fair detail, both by the Geological Survey and by independent investigators. Much of the detailed work has been confined, however, to the Lower Palaeozoic groups, in which the original gold deposits of the state are found, the economically less important Upper Palaeozoic rocks having been subjected to less minute examination by the Survey, especially of late years, and left in the hands of individual geologists, who often turned to the great igneous rock masses occurring in the central part of the state as constituting a congenial subject for research.

In 1928 Dr. P. Tesch published a note on the occurrence of an igneous rock in Dutch Coal-measures (1).1 As this is the first occurrence of an igneous rock in Holland, the present authors have decided to publish a more detailed petrographical description of the rock, together with an attempt to correlate it with similar rocks in Great Britain and Germany.