Calendar: 1969-1970 Page 498

cxxxvi Annual Report 0J the Delegacy Cox contd 'Nemertea Aschelminthes and Acanthoccphala Larousse Animal Life Paul Hamlyn 'Immunity to tissue protozoa Immunity to Parasites ed Taylor Blackwell 5-23 'Parasites of British earthworms biol Education 71-84 Ghosh Τ Observations on the type specimen of Entamoeba serpentis Cunha and Fonsea 1917 Protozooi 15 164-6 Healey 'Energy flow in population of soil Collembola Secondary Productivity of Terrestrial Ecosystems ed Petrusewicz Warsaw 695-708 Lykakis 'Immunoglobulin production in the European pond tortoise Emys orbi- cularis immunized with serum protein antigens Immunology 14 799- 808 Pye 'The rules of acoustic communication' abstract Proc roy Soc Med 60 'Animal sonar in air Ultrasonics 32-8 'How insects hear Nature Lond 218 797 Bats Bodley Head Natural Science Picture Books illustrated by Colin Threadgall Reviews in Endeavour Nature Ultrasonics Sewell Gillian 'Ultrasound in rodents Nature Lond 217 682-3 FACULTY OF MEDICAL SCIENCE department of anatomy Cordingley and Nicol 'Reticulendothelial excretion via the bronchial tree The Reticuloendo- thelial System and Atherosclerosis Plenum Press 1967 58-62 Hobdell Μ 'The epidemiology of oral disease in Great Britain-findings in London office and factory works Proc British Society for Study of Prosthetic Dentistry 1966 29-32 McMinn Μ and Fry 'Topical methotrexate in psoriasis Arch Derm 96 1967 483-8 McMinn Μ Fry Cowan and Hoff brand Α 'Effect of gluten-free diet on dermatological intestinal and hacmatological manifestations of dermatitis herpetiforms Lancet 1968 557-61