Simpson, George Gaylord, 1902-Scarritt Patagonian Expedition 1930-1931)2005-10-062005-10-061932http://hdl.handle.net/2246/29984 p. : ill. ; 24 cm.984948 bytesapplication/pdfen-USQL1 .A436 no.543, 1932Rhyphodon lankesteri.Thomashuxleya.Mandible -- Necrosis.Spondylitis.Paleopathology -- Patagonia (Argentina and Chile)Mammals -- Diseases.Mammals, Fossil -- Patagonia (Argentina and Chile)Paleontology -- Cretaceous -- Patagonia (Argentina and Chile)Paleontology -- Eocene -- Patagonia (Argentina and Chile)Paleontology -- Patagonia (Argentina and Chile)The most ancient evidences of disease among South American mammals. American Museum novitates ; no.543Ancient evidences of diseasetext