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Finds of Xcnarthra in middle region
Finds of mastodons in middle region
Finds of Elephas boreas in middle
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Acad Aftonian Amer Anancus animal appears Austin County beds Bell County belong to Elephas Benton County bones Brazos River Bull camel Camelops clay collection County Creek deposits depth described Doctor Francis Elephas boreus Elephas columbi Elephas imperator enamel Equus Equus complicatus feet fossils fragment front glacial gravel gravel-pit grinding-surface hindmost molar horse horse teeth humerus inches indet informed the writer interglacial Iowa Geol Iowan Kansan drift Kimmswick last molar Leidy length locality loess lower jaw Mammut americanum Mark Francis mastodon Megalonyx miles Missouri molar of Elephas Mylodon Nebraska Pittbridge plates Platygonus Pliocene premolar probably proboscidean Proc Professor protocone region remains reported ridge-plates sand second molar skull species specimen stage Surv Symbos teeth terrace Texas thick tooth tooth of Elephas township tusk U. S. Geol U. S. National Museum upper molar valley vertebrates width Wisconsin worn writer received