which Fenneman thought he had found fossils at Boulder (containing concretions of some sort) and the Morrison overlaid by “Dakota” conglomerate. A little further south about 25 or 30 feet of hard limestone is exposed at top of Morrison and formation seems much thicker. This limestone probably exists at first outcrop, but if so is covered by talus. Finished the Ft. Collins quadrangle and not having the Loveland sheet with me and the horse being tired, I came home reaching the hotel at 4 p.m. very tired. Worked hard all day. Following is a list of birds I have seen here last week and this week. Meadowlarks- abundant and singing in the valley as far west in the mountains as I have been, 4 miles west of Livermore. Robins- Common in valley in flocks. Have not noticed them closely, but this morning noticed one M. migratorius with flock of M. m. propinqus.
