Calendar: 1969-1970 Page 450

lxxxviii Annual Report 0J the Delegacy Lightowlers and Dr Collins presented papers at conferences in Moscow Cambridge Manchester and Bristol Dr Chapman Dr Jones and members of the radiophysics group contributed papers to the fourteenth general assembly of the International Association of Geomagnetism and Aeronomy in Switzerland the Conference on Radio Propagation London and the international conference on Solar Ter- restrial Environment Sheffield Dr Jones also lectured in Oslo and Kiruna Sweden Dr Sherman presented papers at the European Spectroscopy Conference Madrid and the International High Pressure Conference Germany Professor Price was appointed to the International Union of Pure and Applied Physics Commission for Spectroscopy Dr Wilkinson to the Infra-red and Raman Committee of the International Union of Pure and Applied Chemistry and Dr Chapman to the Atmospheric Electricity Joint Committee of the International Union of Geodesy and Geophysics department of zoology Number of Students Sc Special 38 Postgraduate Total 45 First Degrees Sc Special 1st Class Honours 2nd Class Honours Upper Division 2nd Class Honours Lower Division 3rd Class Pass Higher Degrees Ph Edinburgh Hobbs 'Studies on the differentiation of colonial flagellates Ph Mrs Stevens nee Sutton 'Tick feeding in relation to disease transmission