in thickness - thinning and thickening and pinching out horizontally. Of the Eden in Godmans Brook one sees out more than about 110 fut from the railway bridge to the lake shore. The thickness of 215 of fut is based on the depth of the Collingwood Mountains less the known thickness of the other formations. It consists 99% of Blue shales and but rarely does one see here an ajillaceous li. Fossils are very scarce and almost all are byzora. There is no break between the Eden and the Lorraine and the latter and the Richmond. The Richmond between Breasford and Collingwood is also a shale formation and at not one-half of it (at least 130 fut) is red a varigated in color. Probably not more than 10% of it is ajillaceous or crystalline limestone. The chief fossils are byzora and trilobes while the brachiopods are compara- tively rare. Corals are almost absent and merely them where seen on Collingwood Mountain. Just beneath the red beds the li. pre- dominate for 30 fut or more.