paired. Due as at Collingwood the Oggotts deposit of the higher beds. In the afternoon had Mr. Turner take us in his launch to the northwestern end of this is Mosquito bay La Cloche island. Here I saw the relation of the Ordovician strata to the Huronian but no actual contact. It is as follows Huronian Quartzite with an occasional shale band. around Black River Limestone Lake level (beneath the Larville) In the lower beds we found here I saw Bonio- ceras anceps, Ormoceras tenuifilum, Climinaria dredatu, Sturmatocerium and Reciflaculite. corvens. Above these beds are some beds of less than 15 feet thick that are Larville like limestone full of Phytopsis tubularum. If these are Larville then what are the lower Black River beds with Crinophania? Williams went around the north end of the island and saw the basal so called Chags deposits. They are red shales with bands of conglomeratic sandstones and derived fossils. They are not of Chags age but go in