[6]Thomas Ashe, _Memoirs of Mammoth and Various Other Extraordinary and Stupendous Bones of Incognita, or Non-Descript Animals Found in the Vicinity of the Ohio, Wabash, Illinois, Mississippi, Missouri, Osage, and Red Rivers, &c. &c._ (1806), 41. [7]Jefferson, _loc. cit._ [8]John Ranking, _Historical Researches on the Conquest of Peru, Mexico, Bogota, Natchez, and Talomeco, in the Thirteenth Century, by the Mongols, Accompanied with Elephants_ (1823), 1-479. Johann R. Forster, _Observations Made During a Voyage Around the World_, etc. (1778), 316. [9]Frederick Larkin, _Ancient Man in America_ (1880), 3, 141. [10]Max Uhle, “Späte Mastodonten in Ecuador,” _Proceedings, 23rd International Congress of Americanists_ (1930), 247-258. [11]Loren C. Eiseley, “The Mastodon and Early Man in America,” _Science_, 102:108-109 (1945). [12]William B. Scott, _A History of Land Mammals in the Western Hemisphere_ (2nd ed., 1937), 260. [13]Loren C. Eiseley, “Men, Mastodons, and Myths,” _Scientific Monthly_, 62:517-524 (1946). [14]Charles Lyell, _Travels in North America_, 1:54 (1845). [15]Eiseley, “The Mastodon, etc.,” 109-110. [16]Edgar B. Howard, “The Emergence of a General Folsom Pattern,” _25th Anniversary Studies, Philadelphia Anthropological Society_ (1937), 1:114. [17]Hans E. Fischel, “Folsom and Yuma Culture Finds,” _American Antiquity_, 4:241 (1939). [18]Eiseley, “Did the Folsom Bison Survive in Canada?” _Scientific Monthly_, 56:468-472 (1943). [19]S. N. Rhoads, “Notes on Living and Extinct Species of North American Bovidae,” _Proceedings, Academy of Natural Sciences of Philadelphia_, 49:497 (1897). C. Gordon Hewitt, _The Conservation of the Wild-Life of Canada_ (1921), 124. [20]Ernest Thompson Seton, _Lives of Game Animals_ (1927), vol. 3, pt. 2, p. 707. [21]Eiseley, _op. cit._, 471. [22]K. P. Schmidt, “Herpetological Evidence for a Post-Glacial Eastward Extension of the Steppe in North America,” _Ecology_, 19:398-399 (1938). [23]Ernst Antevs, personal communication, 1946. [24]H. H. Howorth, _The Mammoth and the Flood_ (1887), xviii. [25]Eiseley, “The Fire-Drive and the Extinction of the Terminal Pleistocene Fauna,” _American Anthropologist_, new ser. 48:54-55 (1946). [26]Carl Sauer, “A Geographic Sketch of Early Man in America,” _Geographical Review_, 34:543-554 (1944). [27]Sauer, personal communication, 1946. [28]Eiseley, _op. cit._, 56-58. [29]Eiseley, “Archaeological Observations on the Problem of Post-Glacial Extinction,” _American Antiquity_, 8:214 (1943). [30]Alfred S. Romer, “Pleistocene Vertebrates and Their Bearing on the Problem of Human Antiquity in North America,” in _The American Aborigines_, ed. D. Jenness (1933), 76-77. [31]_Ibid._, 77. Edwin H. Colbert, “The Association of Man with Extinct Mammals in the Western Hemisphere,” _Proceedings, 8th American Scientific Congress_ (1942), 2:27.