"All in all I have a good collection of the frosts on the east side of Ellis Bay. The wind has been strong all day and we could easily have sailed to the Salt Lakes. Most of the frosts collected today are from the Lake zone @3. Most of these brachiopods, are little cup coral, and 2 species of Plasmosporea. I am strongly impressed with the collecting today that there is nothing Silurian in the frosts seen, i.e. Silurian in the sense of our faunas in the United States. The Plectambonites Portumac like Transversalis, and the presence of Atropa majinalis, Plasmosporea, Hindella, nearly Stomatophora or commonly Schuchertella do remind of the Silurian. On the other hand Orthos pretata, Orthioina verneuilii Orthos laurentina, Orthos maria, Portarea octusta, Leptana rhombicellus (it is more Richmond like the Baldwin) point rather to the Ordovician. If Clinton is to be re- garded as the base of the Silurian then