Papers of David Skene: correspondence: Letter from David Skene to John Ellis Letter from David Skene to John Ellis in which he discusses the differences between animals and vegetables and comments briefly on the fallacy of Munckhausen's story; he requests Ellis' aid in interpreting a passage in Pallas' book and comments on it critically; he comments on Needham's animalculae infusoriae and the nature of 'indissoluble salt'; he asks for specimens and sends a sertularia pluma from the Cape of Good Hope, 11 December 1769. 11 December 1769