Illustrations
Jay H. Matternes, who painted the wildlife panoramas and animal features on the cover and in [Part 2], is a paleontological reconstruction artist who lives in Fairfax, Virginia. In [Part 2] his illustrations appear on pages [20-21], [24], [25], [27-33], [54-59], [64-69]. American Museum of Natural History [9] Cope. Greg Beaumont [14], [81-84]. Carnegie Museum [38-41]. Library of Congress [43-45]. James O. Milmoe [12-13], [15], [16], [76]. Peabody Museum of Natural History, Yale University [8]. All other illustrations are from the files of Agate Fossil Beds National Monument and the National Park Service.