to the north of the latter is the quarry visited by Ulrich and myself four years ago. The fossils are few in number, and indicate layers of the same horizon as the second cut on the rail road visited yesterday morning way from Dr. J. P. Bully. The central thickness of the Cincinnati group can hardly be over 20-30 feet in thickness. After dinner walked to the brownie pit east in the R.R. This loc. once prolific in specimens, is now nearly barren. Regained Jerfield and then drove to Etna eight miles south to see if possible more of the Dev. and Cincinnati group. On this we were disappointed, seeing a few but very meagre exposures of Dev.