of the normal type listing the L.C. series down. To the darkward I this fault comes in the [illegible] type Ordovician series but all are much altered and drawn out, and practically no forms can be had. What is the position of the Vermont Red quartzite and the succeeding dolomites? Is it a western phase of the eastern white quartzite? If not are they the eastern phase of the Potsdam and the succeeding Little Falls dolomites? No! What is the relation of the redning slate series of the Lower Cambrian to the white quartzite and the dolomites of the known basal L.C.? Keith does not yet have the field relations determined and as yet has nowhere seen contact to demonstrate the age relations, The basal white quartzite are clear washed fine sands, and are now nitreous and intensely hard ad splitting like glass. Similar are the quartzites deep in the upper Cambrian. The Vermont red quartzites are red in color