"Anticosti types, all from Ottawa eastward. Toronto to the Manitoulin and southward is of another type - the Ohio type - A third type in the Magurheta, Ont., of the Field Museum has recently collected a considerably interesting and new Richmond type of development with Silurian ex- pression that he is now working up. A good break follows. Over the Richmond comes a series of limestone - thin bedded as a rule - that has the Leptiocella planoconvexa fauna and that is more developed at Manitowaning and Owen Sound. Froste says those beds are 28 feet thick near Collingwood, and of which one saw about 11 feet. Here we did not get L. planoconvexa but Froste has it at Owens Sound. He collected to the north of the City where one is examining them. Parks tells me that in a quarry mine in the lower "Iron bog" back in the key, to the south. A quarry in the "Clinton occurs" crossed out to the east and is known as the Chalme quarry. At Manitowaning the