The bowls on the table (at 8.21 mins - 8.26 mins) disappear/are re-arranged between shots.
When the sheriff brings in two men for attempted robbery, he puts them in the cell without removing their gun belts.
When Robert Ryan sets Virginia Mayo into the left side of Buggy, with her husband on the right side. She then takes the reins and moves the horse(s) forwards. With the fade away shot of the two leaving the town for good, you see that the two of them have switched sides, with Ms. Mayo still reining the horse(s), but from the right side.
When Robert Ryan is holding his bullet hole in his right arm with his left hand, he then turns and puts that hand on Virginia Mayo's shoulder with no blood seen at all.