Opossum from the 1st edition of the Encyclopaedia Britannica https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1...
DescriptionEB1911 Opossum - Didelphys lanigera.jpg English: The Woolly Opossum (Didelphys lanigera) and young. Date published 1911 Source “Opossum,” Encyclopædia Britannica...
DescriptionEB1911 Marsupialia - Teeth of Upper Jaw of Opossum.jpg English: Teeth of Upper Jaw of Opossum (Didelphys marsupialis), all of which are unchanged...
