6.40 Allostery. 7.5 Ecological Sampling.
7.30 New Bearings for Old.

Story:Beagle and the Joggersby DIANE WILMER
Photographs by BARRY BOXALL Presenters
Lucie Skeaping , Ben Bazell Pianist Michael omer
Percussionist ALAN GRAHAME oiuiiame
Graphic designer JOHANNA ISLES Designer DACRE PUNT
Written and produced by Christine HEWITT Executive producer CYNTHIA FELGATE

The second day of the Ladbroke Grand National Meeting
Today, while the Grand National fences are being prepared for tomorrow's big race, BBC outside broadcast cameras bring you coverage of four races on the Mildmay course.
2.35 Merseyside Selling Hurdle (2m)
3.10 Kelvinator Domestic Appliances Handicap 'Chase (3m If)
3.45 Ladbroke Hurdle (2m)
4.20 Tec 'Chase (2m) Commentators
PETER O'SULLEVAN and JOHN HANMER Introduced by RICHARD PITMAN Director RICHARD TILLING Producer FRED VINER
(The Grand National can be seen tomorrow on BBC1 in Grandstand)

Richard Seabrook , freelance farm worker
RICHARD SEABROOK is an old-fashioned sort of man who has found a new way of working, keeping a flock of sheep of his own and hiring himself out for a variety of jobs by the day or the week. Narrator DERYCK GUYLER
Film editor ROY NEWTON
Written and produced by DON HAWORTH BBC Manchester

The dramatic crescendos of Bach's Toccata and Fugue in D minor make a fitting accompaniment to the fiery inferno of the Nyiragongo volcanic crater in Zaire, with the bubbling, spurting lava far too close for comfort.
Produced and directed by robin LEHMAN

The second programme in a course on The Elements of Music demonstrates the writing of cadences and the structures of simple tunes like ' The Ash Grove'.
Producer DAVID SELIGMAN
A BBC/Open University production

previews daytime programmes from the Open University.

continues a season of classic films starring
When the King of Rovenia is assassinated, Holmes and Watson are called in to provide safe con. duct for the heir to the throne on the hazardous trip from London to the homeland.
Screenplay by LEONARD LEE
Produced and directed by ROYWILLIAMNEILL
Films: page 15

with Toyah Willcox, B.A. Robertson
and Nicky Croydon, Billy Hartman, Colin Jeavons, Mandy More

In the final issue of Dear Heart, Super Advice Person aids a mountain climber and Pam's Glam Page offers advice on bad breath, spots and hair care.
Costume designer richard CROFT Make-up artist HEATHER SQUIRE Graphic designer PAUL johnson Designer ROGER CANN
Production JUDY WIIITFIELD

with subtitles for the hard-ofhcaring, followed by Weather

Presented by H. C. Robbins Landon 3: A Recital from Longleat House
HAYDN always regarded himself as a craftsman, often writing music to meet a patron's requirements.
This programme is devoted entirely to such works.
Four Welsh folk songs:
The first performance since Haydn's lifetime of Welsh songs commissioned by George Thomson. sung by Stuart Burrows , with John Constable (piano) Ralph Holmes (violin)
Raphael Wallfisch (cello) Baryton duet No 5, in D:
In this instance played on a solo baryton - the favourite instrument of Haydn's great patron, Nicolaus Esterhazy. played by Riki Gerardy
Andante con variazioni in F minor played on an authentic fortepiano by Linda Nicholson
Sound GEOFF ATKINS. Lighting LEN STEPIIENS Directors
HUW TREGELLES WILLIAMS , ANNIE LOCKE Producer J. MERVYN WILLIAMS BBC Cymru/Wales
(Tomorrow: The Creation)

with Mary Spiller and Geoff Hamilton
Ralph Haywood is a nurseryman, and he brings his work home to his small garden in Moreton-in-the-Marsh. Many of his plants are alpines, reflecting an enthusiasm that he admits is not so much a hobby, more a disease.
Producer JOHN KENYON. BBC Birmingham

Over the last ten years the number of rape victims in Britain has increased by almost 40 per cent. Over the same period there has been an equally dramatic rise in the number of sex shops up and down the country selling both 'soft' and 'hard' core pornography. But is there any connection between these two trends?
David Jessel examines new evidence and visits a New York clinic where pornography is used in the treatment of rapists.

Calum Kennedy's Commando Course
The second of three programmes written and narrated by Ian Wooldridge
A decrepit bus with nine entertainers on board leaves Inverness in a desperate bid to persuade the corpse of the variety road show to sit up. Through the Highlands to the island of Skye, the cast hump their ' props' from village to village playing up to three shows a night.
Conditions are hard, complaints are many; jokes are cracked about the ' escape committee' until, finally, they form one ...

by Jane Gardam dramatised by Paula Milne, with
' She haunts you, Jane Austen , I mean.' ... But Annie isn't the only one obsessed with the great novelist; Shorty, an academic scavenger, believes he has tracked down some letters revealing an unexpected side to Miss Austen's nature.
Film editor DAVE KING
Sound recordist BILL CIIESNEAU Photography ian STONE
Designer GARY pritchard Producer TERRY COLES
Director Nicholas RENTON

The Quiz of the News of the Week Richard Stilgoe recalls the last seven days in a lighthearted way with Sue Arnold, Graeme Garden Henry Kelly , Julian Pettifer
Director CHRIS HUNT
Producer colin GODMAN. BBC Bristol

The last of the series presented by Jane Walmsley with late-night conversation and music from the Greenwood Theatre, London.
Director PHILIP chilvers
Producer FRANCES WHITAKER