Correspondence with various scientific societies, with related papers. There are minutes and proceedings of the British Association; papers on the work of the Balloon Committee; R. Willis' address to the 1862 conference at Cambridge; the programme and list of membership for this Cambridge conference; 'Birmingham Daily Post' and 'Daily Telegraph' reports on balloon trials; Airy's talk on strains in tubular bridges; writing by J.D. Forbes on the conduction of heat in bars; determination of volcanic heat by R. Mallett; reports, notices and proceedings of literary and philosophical societies in Leeds, Liverpool and Manchester; rules and notices of the Tyneside Naturalists Field Club; and a calendar of London's scientific bodies. The correspondents include J. Phillips, E. Sabine, J .Glaisher, W.H. Miller, H. Lloyd, J.C. Adams, G.D. Liveing, W. Whewell, W.M. Rankine, H.C. Sarby and M. Faraday.