Everything relating to the progress of geology in our Colonies is, or ought to be, of interest to geologists at home; and those who have helped forward this movement are also deserving of recognition and commendation here. The subject of the present notice has left his hammer-marks on the rocks of Western Australia, and has covered many thousand miles on horseback, on foot, by rail and steamboat, from north to south and from east to west of this great region, containing an estimated area of 976,000 square miles, being about nine times that of the United Kingdom, and covering about one-third of the whole Australian Continent.

A Lthough we are probably well acquainted with all the chief agents of change, the long-continued action of which has shaped the surface of the earth into mountain and valley, and laid down and metamorphosed the deposits forming those portions of its surface which natural or artificial sections or excavations have enabled us to examine, there still remains considerable difference of opinion, not only as to the particular agent or agents which have formed many deposits, but also as to the rapidity with which changes have been brought about by them in the past.

Let us now turn to the angular gravel itself, the so-called Krosstensgrus of the Swedes, which is formed in the main from crystalline rocks, from granite, and gneiss, hälleflinta or petrosilex, crystalline limestones, mica-schists, quartzite diorites, diabases, porphyries, etc. This angular gravel Erdmann not only pronounces to be moraine material, but the only moraine material in the country. How it is possible to correlate this angular drift with any kind of moraine material, or to explain the angular gravel of Sweden by the intervention of ice, I cannot understand, any more than I can understand the application of the same cause to the angular gravels of Southern England and Northern France.

Since the publication of Mr. Marr's numerous papers on the tarns and lakes of the English Lake District, considerable attention has been paid to the manner of formation of lake-basins in the glaciated regions of Britain; a few notes therefore on some of the lakes of North Wales may not be without interest.

Certain deposits in the neighbourhood of the Seberuang Eiver, a tributary of the Kapuas in Western Borneo, were described by E. Everwijn in 1854 as containing numerous so-called “Nummulites.” Similar organisms were obtained at a later date from the same district by Dr. F. Schneider, which were examined by Dr. K. Von Fritsch and proved to belong to the genus Patellina. Two new forms were described and figured under the names of P. scutum and P. Irochus, whilst the occurrence of Patellina itself suggested to Von Fritsch. the probability of the beds in question being of Cretaceous age.