pt. 1. Upper Cretaceous of Kansas: a historical review / George I. Adams -- pt. 2. Birds / S.W. Williston -- pt. 3. Dinosaurs / S.W. Williston -- pt. 4. Crocodiles / S.W. Williston -- pt. 5. Mosasaurs / S.W. Williston -- pt. 6. Turtles / S.W. Williston and E.C. Case -- pt. 7. Microscopic organisms of the upper Cretaceous / C.E. McClung -- pt. 8. Invertebrates of the Benton, Niobrara and Ft. Pierre Cretaceous / W.N. Logan