Calendar: 1968-1969 Page 428

lxxxvi Annual Report of the Delegacy Higher Degrees Ph Galton 'On the anatomy of the ornithischian dinosaur Hypsilophodon foxii from theWealden Lower Cretaceous of the Isle of Wight England Ph Gingell 'Studies on cell surfaces in relation to cell move- ment Ph Jean Johnston Ά study of the morphology taxonomy and life history of trematodes of the genus Phyllodistomum with notes on the incidence of other parasites of sticklebacks Ph McGregor 'The digestive and neurosecretory systems of barnacles Ph Snow 'Some aspects of the biology ofHyalotmma anato- licum anatolicum Ixodoidea Ixodidae Departmental Notes Professor Arthur was invited to chair the inaugural session of the first Acaro-Entomological Symposium of the Polish Paraisitological Society He was chairman of the section on ticks and communicated an invited paper He was also chairman of two sessions om ticks and acari of medical importance at the second international Congress of Acarology at Nottingham and joint editor of its symposium volume He was invited to participate at 'teach-in' on scientific publication and education and with David Streeter of Sussex led discussion group at the annual conference of Field Study Centre wardens at Flatford Mill He acted as moderator for the experimental 'A' level Nuffield Scheme in Biology and now serves on the 'Clean Thames Consultation Panel' set up by the Port of London Authority Professor Dawes visited eight countries in South America He was the guest of the British Council in Brazil and gave lectures at the Federal University Instituto Oswaldo Cruz and the Rural University of Rio de Janeiro the University of Minas Gerais Instituto de Biologia and Instituto Nacional de Endemias Rurais in Belo Horizonte the Hospital Distrital in Brasilia the University of Sao Paulo the Univer- sity of Rio Grande do Sul of Porto Alegre and at some other research establishments With financial assistance from the Royal S'ociety of London the visit was extended to include universities institutes and hospitals in Buenos Aires Santiago Lima Bogota Caracas and Bar-