The winners in life's raceNote 116 — Chapter VIII · THE MAMMALIA OR MILK-GIVERS. The Simplest Suckling Mother, the Active Pouch-bearers, and the Imperfect-Toothed Animals.Reading editionHypsiprymnus penicillatus.◇Copy noteReturn to CHAPTER VIII. THE MAMMALIA OR MILK-GIVERS. The Simplest Suckling Mother, the Active Pouch-bearers, and the Imperfect-Toothed Animals.