Note 4 — Chapter III · THE TURKEY PREHISTORIC
Reading edition
Shufeldt, R. W. A Study of the Fossil Avifauna of the Equus Beds of the Oregon Desert. Journ. Acad. Nat. Sci., Phila., ser. 2, IX, 1892, pp. 389-425. Pls. XV-XVII. Advance abstracts of this memoir were published in The Auk (Vol. VIII, No. 4, October, 1891, pp. 365-368). The American Naturalist (Vol. XXV, No. 292, Apr., 1891, pp. 303-306, and ibid. No. 297, Sept., 1891, pp. 818-821) and elsewhere. Although no turkeys were discovered among these fossils, there were bones present of extinct grouse.