Arkona, July 30-1912, Tuesday. Spent the day collecting at Bartlett's Mills now called Marshall's Mills or better Hungry Hollow. Here we have the continued section of the railway cut and the brick yard seen yesterday at Theoford. The height of the hills at the bridge over the Aux Sable river is according to barome- ter 38 feet to the till Cranny. Further down stream about 1/2 mile may be seen higher cliffs of blue shale and limestone trending up to the upper limestone or the Athyris crinitata beds. These cliffs are about 50 feet high here. The section at the bridge is as follows:- = The Encinal Limestone of A. y. blocies tilis Dark blue shales weathering to clay, The lower S. micro metamus beds, 12 feet, Smistite here. Foraminifera shale with Stylorhina, Athyris crinita on L. limitata ?, 15 inches Coal roof 3 feet, has beds and Plant remains Limestone more or less bedded, 20 inches shale clay shale with L. limitata 6 inches dark blue shale - Lower Hamilton 22 feet to river. Long spired S. micro metamus, Thecyrodictes Ctenocarpus, Oeicolas, Smistites, Crinita.