The base of the Stanley thin bedded shales and sandstone is much altered in being packed now the resisting Arkansas novaculites. The thickness could not measure but may be several hundred feet. In these basal beds are of the It was then there, this layer called Trematis? What an error Orbiculoideas nr 1015 and 1016. A little higher of comes a arkose and then greywackes that close have ark beds. It is for this reason that Horren is inclining to assign the Arkansas novaculites as belonging with the Stanley series. In this lower Stanley he also got a large Lepidodendron all the one seams, also the one thick seams, number 941. Near the middle of the Stanley occurs the grey with the marine emminated fossils, numbers 943 and 946. These I am to hear of and identify for him. The Stanley grades gently into the face joints or no sharp line can be drawn between them. Horren has measured the upper 2000 feet in detail of the Stanley and it is in the middle of this tran- sition zone that his many plants came from. The Stanley where sandy is riffled marked (current ripples) and even bedded thin banks. No seem-