Vol. s2-49, Issue 146, 1870March 01, 1870 EDT
Notice of Some Fossil Birds From the Cretaceous and Tertiary Formations of the United States
Notice of Some Fossil Birds From the Cretaceous and Tertiary Formations of the United States
Othniel Charles Marsh,
Marsh, O. C. (1870). Notice of some fossil birds from the Cretaceous and Tertiary formations of the United States. American Journal of Science, s2-49(146), 205–217. https://doi.org/10.2475/ajs.s2-49.146.205