"Heavy ledged grey arenaceous limestone with light greenish bands. Saw in the rock a few crinoidal columns, A. reticularis, Phipidomella penelope, Spiirifer euruterines, Pholidostrophia iurensis, Shepherdonta careara and D. diminica. "Impure cement rock with an abund- ance of phosphatic inrolues. Dark and crumbling cement rock in thin layers, with an abundance of some white spots which weather out as a chally sheet. In the form of spines, saw in place Chenetes gandelli, D. oroni, D. euruterines, Trofidiptus. This is the major furnishing ready are the mill from siliceous Hamilton rocks. In fact are the Hamilton fossils now for these led as upmost. "Heavy beds of a light blue cement rock! Fossils almost absent them I not. You says this zone has a natural dividing line, The reason he calls it "Lower Upper Hydrobia".