Correspondence on the Mackie Ethnological Expedition, for the consideration of Council of the Royal Society Letters and papers relating to the anthropological expedition to Central Africa in 1919-1920, led by the Reverend John Roscoe and funded by Sir Peter Jeffrey Mackie. This correspondence deals mainly with the writing up and publication of the reports of the expedition. These letters are a chronological continuation of the correspondence in CD/50, CD/51, CD/52, and CD/53. 1922-1925