Sep. 14 Saturday. Collected all day along the stone walls and looked over the section. The latter is as follows: The rise of the land is steep from the water-line at the base of which issue springs. Short and deep gullies are in the water-line and usually stop where the manning Pentamerus begins. It is near the top of the water-line that the Eurypterus are found. Above the water-line is a steep slope covering the Pentacodite. Above the forerage about 10 feet is a bed of shaly bedded limestone of the lowest Corgmanus where loose beds maybe called the Illinica beds. The thickness of this lowest Cogmans is about 35 to 45 feet and in layers around in Illini- onia. Other fossils are Chonetes gregaria, a small Platerimus? Dalmanites tail, 2 or more Ornatostrata (type) on Corals species of Rhynchonella and 1 Rhynchospira. Then follows a gentle slope rising for about 30 feet to the road at the base of