June 14-1901 Friday. Drill started out for the Devils Back Bone. After one were there about an hour it began to rain and left it off for the day. I first corrected my section and then collected prints marking them according to the group. Just as I was leaving, Dr. C. Camas arrived. Startley called my attention to bed 14 with its eroded layer of 5 feet thickness. It is apparently this bed (14) that is the equivalent of the Logan cycloid one and not bed 12 as formerly supposed. It may also have been the lower cycloid one seen yesterday at Pinto on the Brincharte road. Startley will allow me to pick out the desired material out of his collection.