Comparative Ecology of Protozoa: A Laboratory Exercise for Undergraduates

slides/stips The colonisation of a shingle beach Set of 24, colour, plastic-mounted slides supplied in a wallet with teaching notes, by A. J. Cooper. Available from Audio Visual Productions Ltd, Hocker Hill House, Chepstow, Gwent NP6 5ER. Price £8.40, ref. 35 850; Peter Benson

slides/stips Evolution and behaviour Five sets of 35 mm colour slides with study notes. Three sets are reviewed here:

• Adaptations to predation AV221 (50 slides)

• Adaptive colouration AV222 (50 slides)

• How animals eat AV223 (44 slides)

Soon available in this series will be Animal societies and Insect societies. They are produced by David W. Macdonald in association with Oxford Scientific Films and are available from Oxford Educational Resources Ltd, 197 Botley Road, Oxford 0X2 OHE. Price £15 per set; Katie Bowbrick and Anne Roberts

slides/stips Hedges—past and presentSet of 24 mounted colour slides packaged as a three-page booklet by John Feltwell. Available from Audio Visual Productions Ltd, Hocker Hill House, Chepstow, Gwent NP6 5ER. Price £8.40, ref. 35 832.; Patricia A. Horton

slides/stips Experiments in biology A 50-frame 35 mm colour filmstrip supplied with cardboard slide mounts and teachers' notes, by J. Cremona. Available from Focal Point Audio Visual Ltd, 251 Copnor Road, Portsmouth, Hants, P03 SEE. Price £7.75, ref. 181.; Anita de Brouwer and Dean Madden

Tape/Slide Respiration: energy for life Two sets of 80 mounted slides, two prerecorded cassette tapes (one side with an inaudible signal and the other with an audible signal). Available from Edward Patterson Associates, Treetops, Cannongate Road, Hythe, Kent CT21 5PT, price £68; or from Science and Mankind Inc., Communications Park, Box 2000, Mount Kisco, NY 10549, USA, price $169.50 (with carousels) reference 1-1045-2850, or as a filmstrip $1149.50 reference 2-3045-2850.; Teresa Carberry, Kevin Want and Joy Wilson

Tape/Slide Extinction and endangered species: Natural process or human intervention A tape/slide presentation in four parts. 160 slides in total. Each part has a tape cassette with audible advance cues on one side and a 1000 Hz automatic signal on the other. Available from Edward Patterson Associates, Treelops, Cannongate Road, Hythe, Kent, CT21 5PT, price £68; or from Science and Mankind Inc., Communications Park, Box 2000, Mount Kisco, New York 10549, USA, price $169.50. In the USA the slides are prepacked in two carousels and are also available as a filmstrip $149.50. A comprehensive teacher's guide is provided.; Jill Beagley, Caroline Gould, Jonathan Gravesm and Sally Anne Wedderburn

Films The endocrine system Systems working together Two of a series of 10 16 mm colour sound films also available as videocassettes ranging in length from 11 to 22 minutes. Available from Viewtech Audio Visual Media, 122 Goldcrest Road, Chipping Sodbury, Bristol BS17 SXN. Price: Videocassettes: VHS £40.00, VCR £45.00, Betamax £40.00, V-matic £45.00; film hire: Endocrine System £10.50, Systems working together £9.80

Films The endocrine system

Films Systems working together; Sue Allan

Films Fungi and Man 16 mm colour film with teacher's notes by David Boulton. Running time: 17.5 minutes. UK, 1983. Available from Boulton-Hawker Films Ltd, Hadleigh, Ipswich, Suffolk IP7 5BG. Price: £201. Hire charge £7.50. Also available as videocassette: VHSjBetamax £23, Philips £29, U-Matic £35; S. M. Allan

Films Plants make food (2nd edition) A 16 mm colour film. Running time: 13 minutes. Produced by Churchill Films, Los Angeles, USA, and distributed by Boulton-Hawker Films Ltd, Hadleigh, Ipswich, Suffolk IP7 5BG. Price £146. Hire charge £7.50.; S. M. Allan

Videotapes The masterbuilders Videocassette. Running time 45 minutes. Release date June 1983. Produced by the Royal Society for the Protection of Birds, The Lodge, Sandy, Bedfordshire SG19 2DL. Price £28.18, also for hire as videocassette or film; Sue Allan

Videotapes The Gibbs Kids investigate dentists Videotape available in VHS and Beta formats. Running time 15.5 minutes. Date of production 1982. Available from Gibbs Oral Hygiene Service, Hesketh House, Portman Square, London W1A 1DY. Price £7.00; Jane Seddon, Claire Thomas and Jane Powell

Tapes Science in Society Audio Unit 6: Science, technology and people Two audio cassettes, comprising a total of four, 15-minute programmes, supplied in a box with a set of Teacher's notes. Available from Science in Society Audio Ltd, 218 Sussex Gardens, London W2 3UD. Price £9.90.; Emma Wynne

Charts Fens D2.7 Towns and cities D2.8 Charts, in colour, size 70 cm by 30 cm. Available from Interpretative Branch, Nature Conservancy Council, Attingham Park, Shrewsbury, Shropshire SY4 4TW. Price £0.75 each.; John A. Barker

Charts Countryside charts: Birds By David Elcome. A set of 20 full-colour charts, size 495 mm by 370 mm. Published by Macmillan Children's Books, Houndmills, Basingstoke, Hants RG21 2XS. Price £11.95 plus VAT. ISBN 0 333 33121 4.; John A. Barker

Muliti-media Cartoon sheet discussion starters Produced by the Centre for World Development Education. Available from CtVDE, 128 Buckingham Palace Road, London SW1W 9SH. Price 20p each with discounts for bulk orders plus 20 per cent p and p.; Balwinder Ghatabora

Software Human Blood Groups By D. and V. Garland. Written for BBC Model B, with colour monitor cassette and disc versions produced by Garland Computing, 35 Dean Hill, Plymouth, Devon PL9 9AF. £15.00.; Sophie McCormick

Software Microdiet Produced by the Advisory Unit for Computer Based Education, Hatfield. Program notes written by Dodie Hodgkinson. Available on disk or cassette for RML380Z. £25 + VAT.

Software Diet analysis Jeanette Bowen and Bob Waters for Computers in the Curriculum Project and MEP. Available on disk and cassette for RML380Z, 480Z, BBC B, and PET; on disk only for Apple. £14.50+VAT. Both from Longman Micro Software, Longman Group Ltd, 33-35 Tanner Row, York YOl 1JP.; Tessa Carrick

Software Flowering in soya bean Tom Bridson and Alison Rose for Computers in the Curriculum Project and MEP. Available on disk and cassette for RML380Z, 480Z, BBC B, and PET; on disk only for Apple. £14.50+VAT. From Longman Micro Software, Longman Group Ltd, 33-35 Tanner Row, York YOl UP.; Tessa Carrick