In a former paper, a short sketch of the geographical and geological features of Western Togoland was given. The main geological divisions, excluding recent deposits, may be tabulated thus:-

The limestone hills of the Kinta Valley, standing up with white cliff faces from an almost level plain, form a prominent and picturesque feature of this prolific tinfield, and attract attention and present a varying scene as viewed from different points in the valley of the Kinta River. Their mode of origin has been the subject of marked divergence of opinion amongst geologists acquainted with them, as has also their age in relation to the series of metamorphic sediments found in the same valley.

In his paper on “The Yellow Limestone of Jamaica and its Mollusca” (Geological Magazine, Vol. LX, 1923, p. 345) Dr. C. T. Trechmann referred to an Upper Senonian fauna from shales at Providence, near Port Antonio, underlying a limestone with Rudistae. He recorded Baculites from the upper portion of these shales, and “rather low in the sequence” he collected some ammonites, one of which had been identified by the writer as belonging to the genus Parapachydiscus. The Shales at Providence had already been mentioned by the late Mr. Lucas Barrett1 as containing Baculites and Hamites, and in his collection, now in the British Museum (Natural History), there are preserved a number of fossils including the Pholadomya and Trigonia he recorded and two fragments of Hamites. The matrix of these is the same as that of Dr. Trechmann's examples, namely a brown calcareous sandstone, and the ‘Hamites’ in both collections belong to the same species, but Mr. Lucas Barrett's Baculites I have not been able to trace.

For some years Dr. W. F. Hume had desired to obtain additional analyses of Egyptian igneous and metamorphic rocks for the purpose of a detailed investigation he proposed to make of their nature and distribution. The Chemical Department of the Egyptian Government was, however, too fully occupied on current work for Government contracts, and could not undertake the specialized analytical work necessary.