"Antiest" Division (total half) must be regarded as Ordovician. On the other hand I see nothing in any of the horizons so far studied Tr[illegible] directly correlated with the Richmond, i.e. a common fauna. Certainly Division A and B belong to a district sea province, of At- lantic type, but then may have been some inter communication between this sea and the interior by way of a northern passage connecting with Manitoba and thus with the Mississippi valley. A great deal of clarification should result of this recomm[illegible] in regard to any paleogeography of Middle and Upper Ordovician and early Silurian times. Left again at Mr. Sanderson's house on the end of the trip.