Papers in Geology, Number 76, illustrations. 33 papers. Some of the papers included The Root Habits of Desert Plants, Invertebrate Tracks from the Coconino Sandstone of Northern Arizona, Trail from the Namurian of Arran, Scotland, Fossil Bird Tracks from Utah, Did Brontosaurus Ever Walk on Land? Dinosaur footprints and Polar wandering, Report on Ground Sloth coprolite from Dona Ana County, New Mexico, The Classification of the Fossil Traces of Life and more.