At Northfield and for several miles to the South is a slate belt, quarried, and at about one mile south of Northfield we visited a small quarry. Have three samples. Here the schist- Troite is that of the bedding. This is the region in which Prof. Richardson got propylite. Since this black phyllite is of Ordovician age much of the sericitic phyllites only also are of the same age. We saw east of the Green Guts or quartzites, not dolomites, only a great thickness of phyllites. Since these Black Phyllites are of Ordovician age it is probable that the same kind of rock to the west of the lower Gut is of the same age. From Northfield south to Randolph we constantly see the sericitic and black phyllites. This for the reason that the road runs along the strike of the rocks. We are stopping at Randolph at the Randolph Inn. The widely extended pegmatite schist of