Calendar: 1969-1970 Page 452

xc Annual Report of the Delegacy soil ecosystems' in Paris and was appointed to the Handbook drafting committee Dr Kathleen Lyons read paper to the spring meeting of the British Society for Parasitology at Leeds The research work of the department continued to be supported heavily by grants from outside bodies see pp xliii-xliv Dr Pye's contract with the included funds for three-month visit to East Africa in the summer vacation 1968 On this expedition he was accompanied by his wife Mr Darwin and Miss Gillian Sewell Miss Sewell was awarded two-year postdoctoral fellowship by the Royal Commission for the Exhibition of 1851 to continue her work on ultra- sonic communication by rodents Dr Healey's work under the International Biological Programme continues He received Natural Environment Research Council grant for three years as from October 1967 to begin new series of studies on the production biology of soil fly larvae at Meathop Woods Lancashire as part of the British contribution to the International Bio- logical Programme further study on natural decomposition of wood has been initiated at the same site This is being undertaken in collaboration with Dr Swift of Birkbeck College also working under the LB The bomb calorimeter purchased with grant from the Central Research Fund is now calibrated and in regular use The purchase of additional equipment has facilitated Dr Lyons' electron-microscope studies on the fine structure of the sense organs of monogeneans and on the nature development and function of the covering layers of platyhclminth worms Considerable progress has been made in the investigations of the pollution of the tidal Thames and this has been made possible only by the co-operative efforts of the Port of London Authority the Greater London Council and the Central Electricity Generating Board These authorities have not only allowed access to their various properties but have also been most generous in allowing boat time on their sludge vessels and on their launches All the physical data on the fluctuating changes in the Thames have been made available regularly by the Chemical consultants of Cremer and Warner for which the department is duly grateful The renewed the grant for research assistant to work with Dr Shirley Hawkins on project investigating the molecular basis of cytoplasmic inheritance in amoebae