An introduction to the study of mammals living and extinctNote 64 — Chapter VI · THE SUBCLASS METATHERIA OR DIDELPHIAReading editionDesmarest, Nouv. Dict. d’Hist. Nat. sér. 2, vol. xxv. p. 405 (1817).◇Copy noteReturn to CHAPTER VI THE SUBCLASS METATHERIA OR DIDELPHIA