After Devonians, at mount Joseph correlate the horizon with the beds found at Katy's Iowa. About one mile north of this place these same bed was preserved but much washed away and only one coral open exposed. Between these two places there is me boring pit in the Cincinnati group and then cut in the Devonians. After rejoining Garfield drove to Stewartsville in a stream a short distance to the south of Hamilton and just below the road bridge I found in a heavy bed of limestone a fine species of Zephelus one Johnshucki. This specimen was imbibed with the pedicle and downwards the natural position of recent singular. Above this bed