"three to the peculiar environmental conditions. In any one of Hood's Lake fauna, with a peculiar bottom life and here in this stream of the latter are so-called silters. with the introduction of nautilids and goniatites. The Smith- cried out that to be judged by itself, though the euthyphods must needs await to a final age determination. We left Fort Worth at 8.35 on the Santa Fe for Oklahoma City where we arrived at 3.35. Looked about the city and called on Professor Gould. Had dinner at the Lee-Huckins Hotel and then to the movies, and at 9.30 retired to a Pullman. Sunday Bartlesville, March 23-1919, Arrived here this morning at 5.30. Stopping at Hotel St. Clair, a house of rooms only. Spent the morning at McCoy's office, and he showed me the Empire Fuel and Gas Co. elaborate system of recording all that is known about oil wells, their drilling and production. McCoy has a better hold of the general geology of Kansas and oil showmen than any other man. He is a hard worker and a deep thinker along all lines of geology and engineering, but does not claim to know