Browsing by Author "Richards, J. G., geologist."
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Item A new fossil perissodactyl from Peru. American Museum novitates ; no. 111(New York City : The American Museum of Natural History, 1924) Anthony, H. E. (Harold Elmer), 1890-1970.; Richards, J. G., geologist.Item Two Tertiary mammals from northern South America. American Museum novitates ; no. 1173(New York City : The American Museum of Natural History, 1942) Patterson, Bryan, 1909-; Roper, S. H.; Richards, J. G., geologist.