"limestone that have a small and depauperate fauna that reminds me of the Orvis fauna. It is probably of Limerian age as the fossils suggest this and there is nothing here that in the least is ? Richmond character. They may well be called the Leptaena rhom. Medalis' b.s. along the road side 10 to [Frogate says one 28 for thick] 11 Feb. Legrand &c found in the road at the top of Blue Mountain. Whittaker writes (Certain are errors) that these beds are ?? far thick, followed by some shales and then the massive dolomite or magnesian limestone making the topmost cresta of the mountains. The made no attempt to see all of this Orvis zone and none at all of the hidden shales. On the roadside in the midst of the Orvis dillutions picked up a ? sandy dolomitic slab [come from] replete with brachio and other fossils all of which remind of the local Onedina fauna collected by me at Hamilton, Ontario. This piece may have come from the shales said to lie above the Orvis. It could not here come from the Orvis and probably not from