Letter from Edward Burton to say that he has discovered changes to a specimen on which he had prepared a draft paper. He suggests change of scientific name accordingly

Letters from John Willis Clark to Philip Lutley Sclater regarding his subscription and a paper for the Zoological Society of London

Letters from Robert Oliver Cunningham to Philip Lutley Sclater regarding his research and other papers

Letters from Sir John Graham Kerr to Philip Lutley Sclater regarding lists of birds, his degree course, his collection of birds, and papers

Letters from Sir Edwin Ray Lankester to Philip Lutley Sclater regarding a house for tropical apes in the gardens of the Zoological Society of London, P T Barnum, and papers on okapi

Letter from Macmillan & Co. Ltd. to Philip Lutley Sclater regarding a collected edition of the papers of the late Professor Huxley

Remarks by Abraham Dee Bartlett on Mr Gambier Bolton's paper about suggested improvements at the Gardens of the Zoological Society of London

Circulars, printed papers and correspondence of Dr Bidder, mainly concerning the Meetings of British Zoologists, the forming of the Association of British Zoologists, and urging the split of the British Museum and the Natural History Museum. Most are from 1920's and are unordered. Includes letters from Prof. Balfour-Browne, P Chalmers Mitchell and E Ray Lankester, etc

Report of a meeting between the Trustees of the British Museum and the representatives of the Museum Conference of Naturalists, with correspondence, a memorandum on the problem of combining the administrative and technical or scientific direction of National Museums with special reference to the British Museum (Natural History) and papers from meetings

Letter from Frances Ralph Gray thanking Joan Procter for sending two new papers