Papers of David Skene: correspondence: Letter from David Skene to John Ellis Letter from David Skene to John Ellis in which he states that he was very pleased to hear from him as he had understood from a friend that he was dead; he gives his opinion on Ellis' proposed book and makes suggestions on its arrangement; he discusses, in detail, problems presented by zoophytes in relation to Pallas' book and how to tell what is animal and what is plant; he also mentions Linnaeus' views on the subject, undated. Undated