"The Natural Size Native Name Mirrin The Penes and Testacles made visible. The former placed between the latter and the anus. This Animal I cut out of a fallen Rotten tree, into which my Dog drove it." The drawing is unsigned and undated. The mammal has been identified by John Calaby in Wheeler and Smith (1988) as the Brown Marsupial-mouse, Antechinus stuartii. The author of this catalogue record is Suzanne Stenning.